Depression in cancer patients can be treated. The trick is to distinguish between depression and cancer treatment symptoms. There are markers.
D000970:Antineoplastic Agents / Q000009:adverse effects; D001007:Anxiety / Q000523:psychology; D003863:Depression / Q000209:etiology / Q000628:therapy*; D006167:Guilt; D006801:Humans; D009369:Neoplasms / Q000523:psychology*
D000970:Antineoplastic Agents