Levonorgestrel-Releasing Intrauterine System With or Without Everolimus in Treating Patients With Atypical Hyperplasia or Stage IA Grade 1 Endometrial Cancer

Inclusion Criteria: * All patients with a diagnosis of complex atypical hyperplasia OR, grade 1 endometrioid OR focal grade 2 adenocarcinoma in predominately grade 1 disease endometrial carcinoma on endometrial biopsy or dilation and curettage (D \& C) within three months of study enrollment * Patients with complex atypical hyperplasia OR grade 1 endometrioid adenocarcinoma with stable/persistent disease with LIUD already in place. LIUD must have been in place for at least 3 months * Prior progesterone treatment is ALLOWED, but a 28 day washout period is required before LIUD placement. If archival tissue is available from prior to any progesterone treatment, the washout period is not needed * Ability to comply with endometrial biopsies every 3 months * Eastern Cooperative Oncology Group (ECOG) performance status =\< 2 * Absolute neutrophil count (ANC) \>= 1.5 x 10\^9/L * Platelets \>= 100 x 10\^9/L * Hemoglobin (Hb) \> 9 g/dL * Total serum bilirubin =\< 2.0 mg/dL * Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =\< 2.5 x upper limit of normal (ULN) * International normalized ratio (INR) =\< 2; factor 10A drawn if patient on anticoagulant Eliquis * Serum creatinine =\< 1.5 x ULN * Fasting serum cholesterol =\< 300 mg/dL OR =\< 7.75 mmol/L AND fasting triglycerides =\< 2.5 x ULN; NOTE: in case one or both of these thresholds are exceeded, the patient can only be included after initiation of appropriate lipid lowering medication * Signed informed consent ob…