Concurrent Laparoscopic Hysterectomy and Weight Loss Surgery in Obese Patients With Endometrial Carcinoma or Endometrial Intraepithelial Neoplasia

Inclusion Criteria: * Female adults at least 18 years of age * A BMI of 35-39.99 and 1 or more severe obesity-related co-morbidities --including T2D,112 hypertension, hyperlipidemia, obstructive sleep apnea (OSA), obesity-hypoventilation syndrome (OHS), Pickwickian syndrome (a combination of OSA and OHS), nonalcoholic 4 fatty liver disease (NAFLD) or nonalcoholic steatohepatitis (NASH), pseudotumor cerebri, gastroesophageal reflux disease (GERD), asthma, venous stasis disease, severe urinary incontinence, debilitating arthritis, or considerably impaired quality of life) OR a BMI ≥ 40 * Tissue diagnosis (usually endometrial biopsy) of grade 1 endometrial carcinoma or EIN. Exclusion Criteria: * Younger than 18 years old * BMI \< 35 * Without a tissue diagnosis, or with a grade 2 or greater endometrial cancer tissue diagnosis * Pregnant participants will be excluded from this study. * Patients with contraindications to bariatric surgery will also be excluded. --This includes active smokers, prior bariatric surgery, active substance abuse, recent suicide attempt, bulimia nervosa, large abdominal hernias, or poorly controlled psychiatric illness * include inability to read an English informed consent form, and unwillingness to provide informed consent.