Comprehensive Geriatric Assessment: The Belgian Experience of Implementation in the Care of Older Adult Patients With Cancer.

International organizations, such as the International Society of Geriatric Oncology and the American Society of Clinical Oncology, recommend integrating comprehensive geriatric assessment (CGA) into the care of older adult patients with cancer. Geriatric screening and assessment, which are part of the CGA process, detect many geriatric problems related to all geriatric domains, predict survival and toxicity, and influence treatment decisions.