Study of Early Stage Endometrial Cancer Based on Molecular Classification and Traditional Risk Stratification to Guide Adjuvant Radiotherapy Decisions

Inclusion Criteria

• •1. Women aged 18-75.
• •2. Patients with newly histologically confirmed Endometrioid adenocarcinoma.
• •3. ECOG score 0-2
• •4. Surgery consisting of a total hysterectomy and bilateral salpingo-oophorectomy, pelvic lymphadenectomy or sentinel lymph node biopsy, with or without para-aortic lymphadenectomy, oophorectomy
• •5. Patients with FIGO staging(2009 edition) I or II and meet one of the following conditions:
• •1. Stage IA G1-2 with massive LVSI+ or age ≥ 60 years
• •2. Stage IA G3, regardless of LVSI status
• •3. Stage IB G1-3, regardless of LVSI status
• •4. Stage II, regardless of tumor grade and LVSI status
• •6. Patients can understand the study protocol and voluntarily participate in the study, and give written informed consent before treatment.