Inclusion Criteria:  Age ≥18 Histologically verified low-grade endometrial adenocarcinoma of the endometrium (G1-G2) Stage IA (FIGO 2009) according to MRI (CT, ultrasound) Stage IB and II (FIGO 2009) when lymphadenectomy is contraindicated No contraindications for surgery Signed informed consent  Exclusion Criteria:  Age <18 Signs of tumor spread outside the corpus uteri No signs of tumor invasion into the myometrium High-grade tumor (G3) Bokhman type 2 tumor (serous adenocarcinoma, clear cell adenocarcinoma, carcinosarcoma, endometrial stromal sarcoma, etc.) Preoperative treatment of endometrial cancer (radiation therapy, chemotherapy or hormone therapy) Prior pelvic or retroperitoneal lymphadenectomy Prior surgery on the uterus and uterine appendages (except for cesarean section, tubectomy, ovariectomy, ovarian resection, ovarian biopsy, ovarian cauterization) Surgical treatment is contraindicated Allergy to iodine-containing drugs No signed informed consent