Prehabilitation for EOC, Fallopian Tube, Primary Peritoneal Carcinoma and Pancreatic Cancer w/ NACT

This study tests a "prehabilitation" program for older adults (65+) who are about to start chemotherapy for certain advanced cancers. Prehabilitation means getting physically and mentally prepared for treatment before it begins — like training before a race — to help people handle treatment better and recover faster. **You may be eligible if...** - You are 65 years or older - You have advanced ovarian, fallopian tube, or peritoneal cancer, pancreatic cancer, esophageal cancer, or muscle-invasive bladder cancer - You are about to start neoadjuvant chemotherapy (chemo given before surgery) **You may NOT be eligible if...** - Your expected survival is less than 3 months - You use a wheelchair or are physically immobile - You have severe heart or lung disease (NYHA class III–IV) - You have a bowel obstruction requiring surgery - You cannot provide informed consent Talk to your doctor to see if this trial is right for you.