About one-third of people with cancer have pain. There are different types of cancer pain affected by:

  • The progression of the disease
  • The location in the body
  • The overall physical condition

Based on the cause of pain, researchers have defined different cancer pain syndromes, including:

  • Pain from the tumor—Tumors can press on bone, nerves, or an organ, resulting in pain.
  • Pain related to cancer therapy—This may include pain from:
  • Pain unrelated to the cancer or treatment—This refers to pain in people with cancer that has nothing to do with the illness or its treatment. It may include:

Chemotherapy
Chemotherapy
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