Yoga for Psychological Distress in Gynecologic, Gastrointestinal, or Thoracic Cancer

Inclusion Criteria:

* Presence of newly diagnosed
* pathology-confirmed
* (a) gynecologic cancer (e.g., cancer of the ovaries, cervix, endometrium, fallopian tubes), any stage, or
* (b) borderline ovarian tumor, Stage II-III
* Undergoing (or have recently undergone) surgery and/or active cancer treatment (e.g., chemotherapy, radiation, a combination of these treatments and/or another form of cancer treatment)
* Able to read and write in English

Exclusion Criteria:

* History of gynecologic cancer or other cancer diagnosis (excluding basal cell or squamous cell carcinomas of the skin)
* Current, severe, uncontrolled psychopathology (e.g., symptomatic Bipolar Disorder with a manic or depressive episode in the last six months, psychotic symptoms or disorder, or documented personality disorder)
* History of dementia or other neurocognitive disorder that may interfere with participants' ability to adhere to study procedures
* Poor performance status as determined by a Karnofsky Status Score \< 60,
* For those with any childbearing potential (i.e., 18 - 62 years of age, have intact reproductive organs, and/or have not yet started chemotherapy or radiation therapy): self-reported current pregnancy, possible pregnancy, or efforts to become pregnant
* History of regular or immersive yoga practice in the last five years defined as attending at least once weekly yoga classes for at least 6 consecutive months at any point in the prior 5 years