Inclusion criteria
cancer, depression, Depression
ONCOLOGY, CANCER, DISEASE, RECURRENCE
All study participants will meet the following criteria: (1) diagnosis of cancer or recurrence for more than 1 month with clinical stage III or IV disease for which the attending physician has determined that radical cure is not a goal, based on confirmation from the medical record or the attending physician directly; (2) expected prognosis of approximately 1 year or more according to the attending physician; (3) ability to participate in all sessions; (4) depression, defined as 16 ≥ points on the Beck Depression Inventory-II (BDI-II) (regardless of whether or not they meet the diagnostic criteria for depression); (5) age of 20–64 years, or age of ≥ 65 years with ≥ 24 points on the Mini Mental State Examination-Japanese (MMSE-J) ; (6) Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 according to the attending physician; (7) ability to speak Japanese; and (8) written informed consent to participate in this study and wish to continue with the intervention.