colon cancer
Conditions
Interventions
LA-NOSE:natural orifice specimen extraction
2:conventional laparoscopic surgery
Sponsors
Zhongshan Hospital of Xiamen University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Left colon cancer (the colorectal cancer, lower edge of the tumor the anal verge >=8cm, sigmoid colon cancer, carcinoma of descending colon, left horizontal colon cancer); with conventional laparoscopic surgery indications; preoperative imaging studies such as CT Tip prompts the maximum diameter of colorectal cancer is less than 4.5cm; non multiple primary or recurrent cancer; no preoperative chemoradiotherapy; no distant metastasis; no intestinal obstruction, intestinal perforation other complications; body mass index (BMI) shall be less than 30 kg/m.
Exclusion criteria
Exclusion criteria: Merged intestinal obstruction, intestinal perforation need emergency surgery; postoperative recurrence or multiple primary cancer of colorectal cancer; undergone neoadjuvant chemoradiotherapy; existing laparoscopic surgery contraindications.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative complications; | — |
Countries
China
Contacts
Public ContactJian-chun Cai
Outcome results
None listed