What to do when the air test is positive during laparoscopic rectal cancer excision? - a video vignette

Anastomotic leak is one of the common and serious complications after laparoscopic rectal cancer excision. Anastomotic leak not only causes abdominal infection and endangers life, but also promotes local recurrence of tumour. So, prevention of anastomotic leak is very important. Most surgeons like to perform an air test when the anastomosis is completed.