Effect of Geriatric Intervention in Frail Patients with Gastric, Biliary, and Pancreatic Cancer Receiving Palliative Chemotherapy

"Providing management and recommendations based on the specific impairment domain.~Assessment domain:~* Functional status~* Nutrition~* Comorbidity~* Mobility/Falls~* Mood~* Cognition~* Polypharmacy~* Social support."