Modified Tumor-free Techniques Operation to Cervical Cancer

1. Inclusion Criteria: 1.1 Females aged 18 to 65 years old. 1.2 Histologically confirmed primary cervical squamous cell carcinoma, adenocarcinoma, or adenosquamous carcinoma. 1.3 FIGO 2018 stage IB2. 1.4 The maximum diameter of the cervical lesion measured by MRI is \>2 cm and ≤4 cm. For those with MRI contraindications, PET/CT, CT, or ultrasound can be used as alternatives. 1.5 Scheduled to receive type C (Q - M classification) radical hysterectomy. 1.6 Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1. 1.7 Willing to participate in this trial and sign the informed consent form. 1.8 Able to cooperate and complete follow - up and relevant examinations. 1.9 For pre - menopausal women, a negative pregnancy test within 30 days before surgery. 1.10 Laboratory test indicators of vital organs meet the standards 2. Exclusion Criteria: 2.1 Special pathological types (gastric - type adenocarcinoma, neuroendocrine carcinoma, clear cell carcinoma, carcinosarcoma, etc.). 2.2 Imaging examinations suggest pelvic or para - aortic lymph node metastasis (MRI or CT shows a short - axis diameter of ≥1.5 cm, or SUV ≥2.5), or histopathology indicates lymph node metastasis. 2.3 History of pelvic and abdominal radiotherapy. 2.4 History of neoadjuvant chemotherapy. 2.5 Uterus larger than that at 10 weeks of pregnancy. 2.6 Contraindications for surgery and anesthesia (such as severe medical comorbidities). 2.7 Patients who cannot tolerate the Trendelenburg position. 2.8 Patients who cannot cooperate with treatment and follow - up. 2.9 Pregnant patients. 2.10 History of other malignancies, except for those who have been cancer - free for more than 3 years with no current evidence of tumor recurrence.