Prehabilitation in High-risk Oncologic Surgery

Inclusion Criteria: * Evidence of probable or confirmed primary or recurrent malignant neoplasm of any stage * Planned to undergo neoadjuvant chemotherapy or chemoradiation * Eligible surgical candidate for one of the following procedures: pancreatectomy, gastrectomy, esophagectomy, cystectomy, low anterior resection, abdominoperineal resection, or cytoreductive surgery with heated intraperitoneal chemotherapy * Age greater than 18 years * Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 * Ability to understand and willingness to sign a written informed consent form and Health Insurance Portability and Accountability Act (HIPAA) authorization document Exclusion Criteria: * Unable to complete study requirements, such as attending a minimum of two visits for each specialty referral. This will be assessed at the final preoperative visit, at which time the participant may be discontinued from the study and replaced. Participants will not be excluded due to lack of insurance coverage for health psychology visits. * Does not proceed to surgery at an affiliated institution * Pregnant or breastfeeding