Leonardo Pires Paredes, Marlon da Silva Brandao Rodrigues, Ralph Santos-Oliveira
{"title":"Deciphering Trends in Cancer Mortality: A Comprehensive Analysis of Brazilian Data From 1979 to 2021 With Emphasis on Breast and Prostate Cancers.","authors":"Leonardo Pires Paredes, Marlon da Silva Brandao Rodrigues, Ralph Santos-Oliveira","doi":"10.14740/wjon1831","DOIUrl":"10.14740/wjon1831","url":null,"abstract":"<p><strong>Background: </strong>This study examined cancer mortality trends in Brazil from 1979 to 2021, emphasizing breast and prostate cancers.</p><p><strong>Methods: </strong>Utilizing data from the Brazilian Mortality Information System and the Brazilian Institute of Geography and Statistics, it analyzed cancer deaths nationally and regionally, highlighting gender-specific and regional disparities.</p><p><strong>Results: </strong>The research finds that cancer death rates have been growing at an average of 12% per year, contrasting with the population growth rate of 2.2%. This trend is more pronounced in the southern and southeastern regions of Brazil. A comparison of cancer mortality rates between Brazil, the USA, and China reveals that while the Brazilian and Chinese rates exhibit slower growth, the US rate shows a continuous decline since the 1990s.</p><p><strong>Conclusions: </strong>The study adopts a novel approach by focusing on growth rates and employing polynomial interpolation, revealing a deceleration in cancer death growth over the last 15 years across all malignant neoplasms. The study also contextualizes these findings within Brazil's cancer control policies, tracing the evolution of preventive measures and treatment advancements. It highlights the significant role of the National Cancer Institute and the Unified Health System in implementing effective strategies. The decreasing trend in cancer mortality rates in Brazil, despite population growth, illustrates the effectiveness of comprehensive cancer control and prevention measures, underlining their importance in public health policy.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092415/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140945980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yong Ke Wu, Tian Tian Jiang, Yuan Hao Su, Lin Mei, Ting Kai Sun, Yun Hao Li, Zhi Dong Wang, Yuan Yuan Ji
{"title":"The Potential Role of Virus Infection in the Progression of Thyroid Cancer.","authors":"Yong Ke Wu, Tian Tian Jiang, Yuan Hao Su, Lin Mei, Ting Kai Sun, Yun Hao Li, Zhi Dong Wang, Yuan Yuan Ji","doi":"10.14740/wjon1830","DOIUrl":"10.14740/wjon1830","url":null,"abstract":"<p><p>Multiple factors have engaged in the progression of thyroid cancer (TC). Recent studies have shown that viral infection can be a critical factor in the pathogenesis of TC. Viruses, such as Epstein-Barr virus (EBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV), and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), may play an essential role in the occurrence, development, and even prognosis in TC. This review mainly explored the potential role of viral infection in the progress of TC. The possible mechanisms could be recognizing the host cell, binding to the receptors, affecting oncogenes levels, releasing viral products to shape a beneficial environment, interacting with immune cells to induce immune evasion, and altering the pituitary-thyroid axis. Thus, comprehensive knowledge may provide insights into finding molecular targets for diagnosing and treating virus-related TC.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092407/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Retrospective Study of Complications Following Pelvic and Para-Aortic Lymphadenectomy in Gynecologic Oncology.","authors":"Thitima Saemathong, Woraphot Chaowawanit","doi":"10.14740/wjon1824","DOIUrl":"10.14740/wjon1824","url":null,"abstract":"<p><strong>Background: </strong>Lymphadenectomy plays an essential role in the staging protocols for gynecologic cancers, as recommended by International Federation of Gynecology and Obstetrics (FIGO). While its benefits vary, complications may arise during intra-operative, acute post-operative, or long-term periods. Notably, lymphadenectomy-associated systemic morbidity and specific complications such as lymphocele and lymphedema have been reported.</p><p><strong>Methods: </strong>This retrospective study involved 399 patients with cervical, endometrial, and ovarian cancers who underwent pelvic and para-aortic lymphadenectomy. The follow-up period was at least 3 months. Intra-operative complications encompassed adjacent organ injury and significant blood loss, while acute post-operative complications occurred within 29 days. Post-30-day complications included lymphocele and lymphedema. Logistic regression analysis identified predictors for complications.</p><p><strong>Results: </strong>The overall complication rate was 42.4%, with intra-operative, acute post-operative, and long-term rates of 26.1%, 11.0%, and 14.0%, respectively. Predictors for overall complications included laparotomy, positive lymph nodes, and operative time > 240 min. For intra-operative complications, age > 60 years, laparotomy, positive lymph nodes, and operative time > 240 min were significant predictors. Symptomatic lymphocele and lymphedema occurred in 6.0% and 2.0% of patients, respectively, mainly in the long-term period.</p><p><strong>Conclusion: </strong>Although the overall complication rate after gynecologic surgery was found to be almost half of all cases, the rate of severe complications was low. Additionally, the rates of symptomatic lymphocele and lymphedema were low. Lymphadenectomy in gynecologic cancer surgery can be performed safely.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092412/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhe Ji, Yu Liang Jiang, Hai Tao Sun, Bin Qiu, Mao Li, Jing Hong Fan, Jun Jie Wang
{"title":"Three-Dimensional-Printed Template-Guided Radioactive Seed Brachytherapy via a Submental Approach for Recurrent Base of Tongue and Floor of Mouth Cancer.","authors":"Zhe Ji, Yu Liang Jiang, Hai Tao Sun, Bin Qiu, Mao Li, Jing Hong Fan, Jun Jie Wang","doi":"10.14740/wjon1775","DOIUrl":"10.14740/wjon1775","url":null,"abstract":"<p><strong>Background: </strong>This study assessed clinical outcomes of three-dimensional-printed template (3DPT)-guided radioactive seed brachytherapy (RSBT) via a submental approach for recurrent base of tongue and floor of mouth cancer.</p><p><strong>Methods: </strong>Thirty-one patients with recurrent lingual and floor of mouth squamous cell carcinoma after surgery and radiotherapy were treated with 3DPT-guided RSBT from 2015 to 2022. Seeds were implanted through a submental approach guided by 3DPTs. Local control (LC), overall survival (OS), disease control (DC) and quality of life (QOL) were evaluated.</p><p><strong>Results: </strong>The median follow-up was 13.7 months. The 1-, 3- and 5-year LC rates were 66.1%, 66.1%, and 55.1% respectively. The 1-, 3- and 5-year OS rates were 63.4%, 33.4%, and 8.3%. The 1-, 3- and 5-year DC rates were 37.8%, 26.5%, and 21.2%. Univariate analysis showed tumor size significantly affected LC (P = 0.031). The presence of extraterritorial lesions affected DC and OS on multivariate analysis (P < 0.01). QOL improved significantly in domains of pain, swallowing, chewing, taste, and emotion after treatment compared to baseline. Four patients (13%) developed necrosis and osteoradionecrosis.</p><p><strong>Conclusions: </strong>3DPT-guided submental RSBT provided favorable LC and QOL for recurrent tongue/floor of mouth cancer with minimal toxicity; moreover, severe toxicity should be noted.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092411/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comprehensive Insights Into Renal Perivascular Epithelioid Cell Neoplasms: From Molecular Mechanisms to Clinical Practice.","authors":"Bao Nan Dong, Hui Zhan, Ting Luan, Jian Song Wang","doi":"10.14740/wjon1794","DOIUrl":"10.14740/wjon1794","url":null,"abstract":"<p><p>Perivascular epithelioid cell neoplasms (PEComas) are a rare category of mesenchymal tissue tumors, manifesting across various tissues and organs such as the kidneys, liver, lungs, pancreas, uterus, ovaries, and gastrointestinal tract. They predominantly affect females more than males. PEComas characteristically express both melanocytic and smooth muscle markers, making immunohistochemistry vital for their diagnosis. Renal angiomyolipoma (AML) represents a common variant of PEComas, typically marked by favorable prognoses. Nonetheless, only a small fraction of subtypes, especially epithelioid AML, possess the capacity to be malignant. Renal PEComas usually appear as asymptomatic masses accompanied by vague imaging characteristics. The main methods for diagnosis are histopathological analysis and the application of immunohistochemical stains. Presently, a uniform treatment plan for renal PEComas is absent. Strategies for management include active surveillance, selective arterial embolization, surgical procedures, and drug-based treatments. The focus of this review is on renal PEComas, shedding light on their pathogenesis, pathological characteristics, clinical presentations, diagnosis, and treatment modalities, and incorporating a clinical case study.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092404/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jia Hao Zhu, Ben Jie Xu, Xiang Yi Pang, Jie Lian, Ke Gu, Sheng Jun Ji, Hai Bo Lu
{"title":"Genetic Evidence for a Causal Relationship Between Innate Leukocytes and the Risk of Digestive System Cancers in East Asians and Europeans.","authors":"Jia Hao Zhu, Ben Jie Xu, Xiang Yi Pang, Jie Lian, Ke Gu, Sheng Jun Ji, Hai Bo Lu","doi":"10.14740/wjon1860","DOIUrl":"10.14740/wjon1860","url":null,"abstract":"<p><strong>Background: </strong>Peripheral traditional immune cell disorder plays an important role in cancer onset and development. The causal relationships between leukocytes prior to cancer and the risk of digestive system cancer remain unknown. This study assesses the causal correlations between leukocytes and digestive system cancer risk in East Asians and Europeans.</p><p><strong>Methods: </strong>Summary-level data on leukocyte-related genetic variation were extracted from Biobank Japan (107,964 participants) and a recent large-scale meta-analysis (563,946 participants). Summary-level data for the cancers were obtained from Biobank Japan (212,978 individuals) and the FinnGen consortium (178,802 participants). Univariable and multivariable Mendelian randomization (MR) analyses were performed on East Asians and Europeans separately.</p><p><strong>Results: </strong>Univariable MR analysis demonstrated the significant association between circulating eosinophil counts and risk of colorectal cancer (CRC) in East Asians (odds ratio (OR) = 0.80, 95% confidence interval (CI): 0.69 - 0.92, P = 0.002) and a suggestive relationship in the European population (OR = 0.86, 95% CI: 0.77 - 0.97, P = 0.013). An inverse suggestive association was observed between levels of basophils and the risk of gastric cancer (GC) in East Asians (OR = 0.83, 95% CI: 0.72 - 0.97, P = 0.019). The multivariable MR analysis showed the independent causal effect of eosinophil count on CRC risk in East Asians (OR = 0.72, 95% CI: 0.57 - 0.92, P = 0.009) and Europeans (OR = 0.80, 95% CI: 0.70 - 0.92, P = 0.002). Circulating basophils served as the negative causal factor in GC risk in East Asians (OR = 0.80, 95% CI: 0.67 - 0.94, P = 0.007).</p><p><strong>Conclusions: </strong>Our MR analyses revealed a genetic causal relationship between reduced blood eosinophils and an increased CRC risk in both Europeans and East Asians. Furthermore, our results suggested a causal association between decreased basophils and an elevated GC risk specifically in East Asians.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092417/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zu Yi Chen, Huan Wei Liang, Yang Liu, Wei Huang, Xin Bin Pan
{"title":"Role of Postoperative Radiotherapy on High-Risk Stage pIIIA-N2 Non-Small Cell Lung Cancer Patients After Complete Resection and Adjuvant Chemotherapy: A Retrospective Cohort Study.","authors":"Zu Yi Chen, Huan Wei Liang, Yang Liu, Wei Huang, Xin Bin Pan","doi":"10.14740/wjon1832","DOIUrl":"10.14740/wjon1832","url":null,"abstract":"<p><strong>Background: </strong>The aim of the study was to assess the effectiveness of postoperative radiotherapy in high-risk patients with stage pIIIA-N2 non-small cell lung cancer (NSCLC) following complete resection and adjuvant chemotherapy.</p><p><strong>Methods: </strong>Data from NSCLC patients within the Surveillance, Epidemiology, and End Results (SEER) database were analyzed. The study examined the association between lymph node ratio (LNR) and both cancer-specific survival (CSS) and overall survival (OS) using restricted cubic spline curves. Patients were categorized into high- and low-risk groups based on established LNR cut-off values, and survival outcomes were compared between those receiving postoperative radiotherapy and those who did not within the high-risk group.</p><p><strong>Results: </strong>The study included 1,690 patients. An LNR threshold of 0.29 was identified for both CSS and OS. Patients with an LNR ≥ 0.29 demonstrated significantly worse CSS (hazard ratio (HR) = 1.56, 95% confidence interval (CI): 1.37 - 1.78; P < 0.001) and OS (HR = 1.44, 95% CI: 1.28 - 1.62; P < 0.001) compared to those with an LNR < 0.29. In the high-risk group (LNR ≥ 0.29), postoperative radiotherapy did not significantly affect CSS (HR = 0.98, 95% CI: 0.82 - 1.17; P = 0.809) or OS (HR = 0.95, 95% CI: 0.81 - 1.11; P = 0.533).</p><p><strong>Conclusions: </strong>LNR is a significant prognostic factor in patients with stage pIIIA-N2 NSCLC post complete resection and adjuvant chemotherapy. A higher LNR (≥ 0.29) is associated with poorer CSS and OS. However, postoperative radiotherapy does not confer survival benefits in these high-risk patients. Our findings suggest that postoperative radiotherapy should not be routinely performed in this subgroup. Further research is required to explore effective treatment strategies for these patients.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10965260/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140307316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Characterization of Asciminib-Resistant Philadelphia Chromosome-Positive Cells.","authors":"Seiichi Okabe, Mitsuru Moriyama, Akihiko Gotoh","doi":"10.14740/wjon1818","DOIUrl":"10.14740/wjon1818","url":null,"abstract":"<p><strong>Background: </strong>Asciminib is approved for treating patients with chronic-phase chronic myeloid leukemia who were previously treated with two or more tyrosine kinase inhibitors or those with <i>T315I</i> mutation. However, the mechanisms underlying asciminib resistance remain unclear.</p><p><strong>Methods: </strong>In this study, we established a new asciminib-resistant cell line. We examined <i>BCR::ABL1</i> gene mutation analysis and the effects of conventional chronic myelogenous leukemia inhibitors.</p><p><strong>Results: </strong>Direct sequencing revealed <i>Y139D</i> and <i>T315I</i> mutations in asciminib-resistant cells. Ponatinib and omacetaxine were effective against asciminib-resistant cells.</p><p><strong>Conclusions: </strong><i>Y139D</i> and <i>T315I</i> mutations are extremely resistant to asciminib. Ponatinib and omacetaxine show potential for treating asciminib-resistant chronic myeloid leukemia.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10965256/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140307348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Empowerment-Led Guided Self-Help Intervention for Symptom Burden in Breast Cancer Women Treated With Ovarian Function Suppression: A Randomized Trial Protocol.","authors":"Yuan Li, Yun Yun Chen, Su Xing Wang, Zheng Yue Dai, Jia Song Cui, Yu Fei Xing, Qing Wu, Qiong Fang","doi":"10.14740/wjon1817","DOIUrl":"10.14740/wjon1817","url":null,"abstract":"<p><strong>Background: </strong>Ovarian function suppression (OFS) treatment causes breast cancer patients' estrogens to fall rapidly to postmenopausal levels, and the 5-year treatment duration and 28-day treatment cycles place a heavy physical and psychological symptom burden on them, which in turn directly or indirectly affects the survival benefit. Managing symptom burden early in treatment is critical, but OFS-related studies have yet to be seen. Self-management is essential for patients' symptom burden. However, self-help management is hampered by patients' lack of knowledge, skills, motivation, etc. Guided self-help intervention (GSH) provides a feasible approach. Empowerment theory is a promising theoretical framework to guide self-management.</p><p><strong>Methods: </strong>A prospective two-arm parallel randomized controlled single-blind clinical trial will be conducted to investigate the effect of symptom burden GSH based on empowerment theory in breast cancer patients in the early stages of OFS treatment. A block randomization method is used to allocate 144 patients to either the control or intervention group. The program is conducted according to the OFS return-to-hospital treatment cycle. The intervention group will receive a total of two rounds and five sessions of empowering GSH, lasting at least 15 weeks in total; the control group will receive only usual nursing care. Symptom burden and related metrics will be assessed at baseline and 1, 3, and 6 months after OFS treatment, and changes between and within groups will be explored. This paper adhered to the SPIRIT and CONSORT guidelines.</p><p><strong>Conclusion: </strong>These results will help to validate the GSH in symptom burden management for breast cancer patients in OFS treatment early stages. It enriches its symptom burden management research and may provide implications for the whole cycle of OFS treatment patients.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10965257/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140307349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vitaly A Markovich, Sergey A Tuzikov, Evgeny O Rodionov, Natalia O Popova, Matvey M Tsyganov, Sergey V Miller, Danil V Podolko, Irina A Tsydenova, Marina K Ibragimova, Nikolai V Litviakov
{"title":"Gene Expression Profile-Guided Personalized Intraperitoneal Chemotherapy for Gastric Cancer Peritoneal Carcinomatosis.","authors":"Vitaly A Markovich, Sergey A Tuzikov, Evgeny O Rodionov, Natalia O Popova, Matvey M Tsyganov, Sergey V Miller, Danil V Podolko, Irina A Tsydenova, Marina K Ibragimova, Nikolai V Litviakov","doi":"10.14740/wjon1578","DOIUrl":"10.14740/wjon1578","url":null,"abstract":"<p><strong>Background: </strong>Peritoneal carcinomatosis (PC) is one of the most unfavorable sites of metastasis for malignant tumors of various localizations, especially gastric cancer (GC). According to the literature, synchronous PC in GC is common in 15-52% of patients. The purpose of this study was to examine the long-term results using personalized systemic and intraperitoneal chemotherapy as part of the combined treatment of stomach cancer presenting with synchronous PC.</p><p><strong>Methods: </strong>Cytoreductive surgical treatment was performed for 70 patients at the first stage. The control group (n = 35) received standard postoperative chemotherapy according to the FOLFOX scheme. Personalized postoperative systemic and intraperitoneal chemotherapy was administered in the basic group (n = 35), based on the expression levels of the eight genes in the primary tumor, lymph node, and peritoneal metastases.</p><p><strong>Results: </strong>The median progression-free survival was 14.9 months in the basic group, and in the control group it was 11.2 months (P < 0.001). The median life expectancy in the basic group was 16.8 (13.7 - 18.8) months, in the control group it was 12.5 (11.3 - 13.1) months (P < 0.001).</p><p><strong>Conclusions: </strong>Developing algorithms of personalized systemic and intraperitoneal chemotherapy in patients with GC with synchronous carcinomatosis, based on the analysis of molecular genetic characteristics of the tumor and metastases, allows to improve the long-term results of combined treatment.</p>","PeriodicalId":46797,"journal":{"name":"World Journal of Oncology","volume":null,"pages":null},"PeriodicalIF":5.2,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10965258/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140307350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}