Inclusion Criteria:  A. 19-year-old or older adults B. elective laparoscopic or robotic colorectal resection C. clean-contaminated surgery without any intraoperative contamination D. The longest incision should be 15cm or shorter E. participant should voluntarily sign inform consent form  Exclusion Criteria:  A. emergency surgery or conversion-to-open surgery B. the longest skin incision longer than 15cm C. intraoperative contamination due to intestinal perforation or any other reason D. ECOG grade 3 or higher E. patients who are not be able to receive surgery within 30 days after screening F. patients who are refused to sign the informed consent form voluntarily