Activity Coaching During Pelvic Radiation Therapy

Inclusion Criteria: * At least 18 years of age * Pathologic diagnosis of endometrial cancer (any histology, Stage I-IVA) * Has undergone modified radical or radical hysterectomy * Plan to receive adjuvant treatment with pelvic external beam radiation therapy at ISCI * ECOG performance status of 0-1 * Patient has a computer, smart phone, or tablet virtual access to the web-based platform and email * Able to read, understand and provide written informed consent * Deemed appropriate for unmonitored exercise by treating physician based on the following evidence-based criteria (1) * Walk without any assistance or assistance device * Absence of significant cognitive impairment * Absence of high risk for falls * Participant does not need to refrain from any activity Exclusion Criteria: * Unable to schedule and attend coaching visits * Participation in a regular exercise program of ≥150 minutes of moderate intensity exercise a week at baseline * Unable to perform the five-times stand test * Medical comorbidities including: * Unstable angina * Uncontrolled dysrhythmias * Acute pulmonary embolus * Active pulmonary infection