Cancer Pain Group

**Semantic type:** Clinical Attribute

**Definition:** Group I: Patients with acute cancer-related pain - associated with diagnosis and/or therapy. Group II: Patients with chronic cancer-related pain - associated with cancer progression and/or therapy. Group III: Patients with preexisting chronic pain and cancer pain. Group IV: Patients with a history of drug addiction and cancer-related pain. This includes those currently using, in treatment, and former users. Group V: Dying patients with cancer-related pain. (Kanner)