Guideline | Low-risk | Intermediate risk | High risk | Lymphadenectomy required for low-risk patients |
---|---|---|---|---|
FIGO (2015) [16] | Grade 1 or grade2, < 1/2 myometrial invasion | / | grade 3,>50% of myometrial invasion,lymphovascular space invasion,non-endometrioid histology (serous, clear cell, undifferentiated, small cell, anaplastic, etc). cervical stromal involvement | systematic lymphadenectomy is not recommended,suspicious lymph nodes sampling is recommended |
ESMO(2016) [15] | grade 1 or 2 and superficial myometrial invasion <50% | grade 1 or 2 deep myometrial invasion >50% or grade 3 superficial myometrial invasion <50% | grade 3 with deep myometrial invasion >50% | systematic lymphadenectomy is not recommended for LR patients (it can be considered for IR patients) |
NCCN(NCCN Guidelines®, uterine neoplasms, version 2. 2016) | less than 50% myometrium invasion, tumor diameter < 2 cm, well or moderate differentiated histology | / | deeply invasive lesions, high-grade histology, and tumors of serous carcinoma, clear cell carcinoma, or carcinosarcoma features | systematic lymphadenectomy is not necessary.Excision suspious or enlarged lymph nodes is recommended |