rectal cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years old; 2. Those who are weak, have major diseases, are older, or have a strong desire to preserve their anus; 3. Colonoscopy: the lower edge of the tumor is less than or equal to 15cm from the anal verge, the pathology shows rectal adenocarcinoma, and high-grade intraepithelial neoplasia; 4. Rectal endoscopic ultrasonography, pelvic enhanced CT, rectal enhanced MRI: the lower edge of the tumor is <=15cm from the anal verge, the stage is T1 or below (initial assessment <=cT1N0M0 or reassessment after neoadjuvant therapy <=ycT1N0M0), no lymph node metastasis, no distant metastasis; 5. Concomitant diseases without absolute contraindications to surgery.
Exclusion criteria
Exclusion criteria: 1. Patients with a history of pelvic radiotherapy; 2. Refuse to participate in the researcher.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 5-year overall survival;5-year disease-free survival;5-year local recurrence rate; | — |
Countries
China
Contacts
Department of General Surgery, the First Medical Center, Chinese PLA General Hospital