Evaluating the Effect of Perioperative Caloric Restriction Program on Perioperative Outcomes in Patients With Obesity and Endometrial Cancer

Inclusion Criteria: * Newly diagnosed with Endometrial Cancer * BMI30 kg/m2 * 18 year of age or older * Scheduled for definitive surgical intervention (hysterectomy, bilateral salpingoopherectomy with or without lymphadenectomy) in the following 2-3 weeks as part of the standard of care * Have ECOG performance status of 0-1 * Have a life expectancy of at least 1 year Exclusion Criteria: * Inability to communicate in English * BMI30 kg/m2 * Age18 * Have any uncontrolled serious medical or psychiatric conditions that would affect their ability to participate in an intervention study, (e.g., severe/uncontrolled diabetes mellitus, severe cardiac and/or pulmonary disease and/or depression) * Diagnosed with any other invasive malignancy currently, in the last five years or expected to undergo active treatment with either cytotoxic chemotherapy or radiation during the 6 week caloric restriction period