Cancer-related pain experienced in daily life is difficult to communicate and to manage - for patients and for professionals.

Objectives: The aim of this study was to gain qualitative insight into cancer patients' experiences, explanations, and management strategies regarding their cancer-related pain (CP).

Methods: Seventeen patients with CP were interviewed using a semi-structured interview approach. Braun and Clarke's thematic analysis method was used to analyze the transcribed interviews. The patients all participated in cancer rehabilitation courses arranged by the research clinic at The Danish Knowledge Centre for Rehabilitation and Palliative Care.

Results: Three themes were identified: (1) Explaining CP: Patients found it difficult to explain how they experienced their pain. They lacked words, and they frequently used invasive metaphors such as "Pain feels like a heart attack" (2). Strategies and barriers to the management of CP: Initiatives provided by healthcare professionals (HCPs) were perceived as insufficient, and the patients missed guidance in both pharmacological and non-pharmacological approaches to pain management. Several saw medicine as unnatural for their body, and they focused on side effects and the medicine affecting their quality of life. (3) Responsibility for managing CP: A lack of responsiveness from the HCPs and taking on responsibility for pain management were experienced by several of the patients. The patients expressed uncertainty about whom to contact for help with the management of their CP.

Conclusion: The patients' difficulties in explaining, understanding, and communicating their pain and pain management contributed to insufficient pain management. They were also uncertain about who had the responsibility to help them to achieve pain relief. These results share the evidence drawn from studies on patients with chronic non-cancer pain. This qualitative study highlights the need for having more focus on a common language and shared understanding between patients and HCPs. It also underpins the importance of HCPs to assume their responsibility to help patients manage their pain conditions.