Organ-preserving surgical treatment of a patient with synchronous bilateral morphologically different renal cell carcinoma, inferior vena cava tumor thrombus and pyeloureteral segment stone: clinical case

Kidney cancer is the 3rd most common disease in oncological urology. In 4–10 % cases, tumor thrombus of the inferior vena cava is diagnosed. In literature, single-digit number of cases of organ-preserving surgical treatment of patients with kidney cancer complicated by tumor thrombus is described. The article presents a rare clinical case of synchronous bilateral morphologically different kidney cancer with tumor thrombus in the left renal vein, perirenal segment of the inferior vena cava, pyeloureteral segment stone in the right ureter.