title: The progressive pain of cancer.
mesh_terms: D000698:Analgesia / Q000379:methods; D003863:Depression / Q000523:psychology; D006801:Humans; D008606:Mental Processes; D009369:Neoplasms / Q000150:complications* / Q000503:physiopathology; D009723:Nurse-Patient Relations; D009732:Nursing Care; D010148:Intractable Pain / Q000209:etiology* / Q000503:physiopathology / Q000523:psychology; D010166:Palliative Care; D019966:Substance-Related Disorders