p53abn

This multicenter retrospective observational cohort study aims to evaluate the prognosis of patients with non-myoinvasive endometrial cancer harbouring high-risk molecular features by determining the rate of lymph node involvement (assessed by sentinel lymph node biopsy and/or lymphadenectomy), evaluating recurrence rates, progression-free survival (PFS) and overall survival (OS), and comparing oncological outcomes according to different adjuvant treatments. The study will include patients with the following molecular subgroups of non-myoinvasive endometrial cancer: * p53-abnormal tumours without myometrial invasion. * High-grade NSMP tumours without myometrial invasion. * ER-negative NSMP tumours without myometrial invasion. Participating centres will be invited to retrospectively identify eligible patients diagnosed between 2010 and 2025 and enter anonymised data into a standardised REDCap database. Given the rarity of these clinical scenarios, international collaboration is essential to generate robust evidence that may help inform future clinical guidelines and optimize patient management.

The RAINBO program is a studies group which proposes personalized treatment of patients suffering from endometrial cancer according to their molecular profile. the RAINBO-RED study allows observation or maintenance treatment with targeted therapy for one year (olaparib). This after standard therapy. The goal is to improve recurrence-free survival of patients treated with Olaparib.