Course Description: We will discuss the frustrations in recognizing cancer pain and why early recognition is essential. There are multiple sources of cancer pain which are different from other types of pain. This is due physiology specific to cancer and the tumor microenvironment. Multiple analgesic options including medical, surgical and oncological treatments are available and have both risks and benefits. The differences between palliative and definitive care goals and how pain management is utilized in both situations will also be discussed. Learning Objectives: Become familiar with cancer pain physiology and the tumor microenvironment 3. Gain an understanding of the goals of palliative vs definitive care 4. Understand the various treatment options for cancer pain