Inclusion Criteria:  Be age ≥65 years; Have a diagnosis of potentially curable malignancy including aggressive lymphoma or cancers of the breast, colon, pancreas, or lung (non-small cell); Be initiating curative-intent chemotherapy, alone or in combination with other systemic antineoplastic agents, (for a period of at least 3 months) within 4 weeks after enrollment; Screen positive for polypharmacy (>10 medications) or potentially inappropriate medications Be able to read and write English; Be able to give informed consent, as determined by the primary oncologist, or has a legally authorized representative to sign consent in the case of cognitive impairment.  Exclusion Criteria:  be planned to receive a cancer treatment regimen that does not include standard cytotoxic chemotherapy (e.g., only targeted therapies, hormonal therapies, monoclonal antibody therapies, immunotherapy, etc.), have surgery or radiation planned within 3 months of consent, have a planned referral to the geriatric oncology clinic (SOCARE) within one month of treatment initiation, lack decisional capacity, if a legally authorized representative is not available to sign consent and participate in study visits and follow-up phone calls.