rectal cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged >18 years; 2. Colorectal adenocarcinoma diagnosed by colonoscopy for the first time; 3. MRI confirmed that the tumor stage was stage II and stage III, with or without pelvic lymph node enlargement; 4. Patients who received neoadjuvant chemoradiotherapy and successfully completed radical surgery; 5. Endoscopic ultrasonography was performed one week before neoadjuvant chemoradiotherapy and the tumor was labeled with carbon nanosuspension; 6. Be willing to receive relevant treatment and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Distant metastasis of liver, lung and peritoneum occurred; 2. Neoadjuvant chemoradiotherapy is ineffective for rectal cancer and does not conform to the indication of radical surgery; 3. Emergency operation due to bleeding, perforation, obstruction, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Length of distal incisal margin;Excision length of intestine;Lymph node acquisition;Length of submucosal invasion; | — |
Secondary
| Measure | Time frame |
|---|---|
| The length of operation;Intraoperative blood loss;Postoperative hospitalization time;Postoperative complication rate;Postoperative exhaust time;Time of liquid diet after operation; | — |
Countries
China
Contacts
900th Hospital of Joint Logistics Support Force, PLA