Inclusion Criteria:

- 1) Female, 18 to 70 years of age with history of Stage I, II, or III endometrial
cancer diagnosis occurring at least 6 months prior to study enrollment,

- 2) if chemotherapy or radiation therapy was received, patient must be ≥ 4 weeks post
final primary treatment administration,

- 3) if patient has undergone surgical procedure, must be ≥ 8 weeks post-procedure or
cleared by surgeon for moderate intensity walking,

- 4) English speaking,

- 5) medical clearance for participation provided by primary care physician or
oncologist,

- 6) average fatigue over the past week of ≥3 on a 1 to 10 Likert scale or worrying
thoughts ≥ a lot of the time or enjoy the things they used to a little/ not at all.

Exclusion Criteria:

- 1) metastatic or recurrent endometrial cancer,

- 2) inability to ambulate without assistance,

- 3) unstable angina,

- 4) New York Heart Association class II, III, or IV congestive heart failure,

- 5) uncontrolled asthma,

- 6) having been told by a physician to only do exercise prescribed by a physician,

- 7) dementia or organic brain syndrome,

- 8) schizophrenia or active psychosis,

- 9) participating, on average, in more than 20 minutes of physical activity on two or
more days per week during the past six months,

- 10) anticipates undergoing elective surgery during the duration of the intervention
which would interfere with the intervention participation,

- 11) does not live or work less than 50 miles from the study site,

- 12) lack of transportation to the study site,

- 13) plans to move residence out of the local area during the study duration,

- 14) plans to travel out of the local area for more than a week during the
intervention,

- 15) contraindication to participation in physical activity,

- 16) non-compliant with sleep apnea treatments.