Patient subjects
Participants were female patients between 18 and 70 years old with at least one tumor lesion with a diameter of more than 1.5 cm, and could be treated with reasonable tumor reduction surgery in accordance with NCCN clinical guidelines. Patients who received radiotherapy within 28 days before surgery were excluded. Tumor samples in situ were obtained by hysterectomy, and superficial lymph node metastases were obtained by minimally invasive surgery. This study was approved by the Medical Ethics Committee of Sun Yat-sen Memorial Hospital of Sun Yat-sen University, with the Approval number SYSEC-KY-KS-2019-147.