This observational study aims to evaluate the obstetric and oncological outcomes of patients diagnosed with endometrial adenocarcinoma (EAC) or atypical endometrial hyperplasia (AEH) who underwent conservative treatment at the CLASS Hysteroscopy Center of Fondazione Policlinico Universitario A. Gemelli IRCCS in Rome. Eligible patients include women who received hysteroscopic surgery and hormonal therapy either to preserve fertility or due to medical contraindications to standard radical surgery. Follow-up lasts 12 months.