This study aims to investigate the feasibility of utilizing the SurgDiff surgical difficulty prediction model to assist surgeons in formulating precise surgical plans.
Pathological examination confirmed a diagnosis of rectal adenocarcinoma; radical surgery is recommended.
The inferior border of the tumor is ≥1 cm from the dentate line and ≤7 cm from the anal verge;
Preoperative staging was assessed in a stage of c/ycT1-3N0-2M0;
The cardiac, pulmonary, hepatic, renal, and other organ functions are adequate, and the patient can tolerate laparoscopic surgery.
Intraoperative exploration is unable to achieve R0 resection or preservation of the anus;
Lateral lymph node dissection is required;
Patients with a history of severe mental illness, immune disorders, or those taking hormonal medications;
Any other circumstances in which the investigator deems it inappropriate for inclusion.