Umbilical incision versus left lower abdominal transverse incision in laparoscopic resection of colorectal surgery application: a randomized controlled trial study

Interventions: The umbilical incision:The umbilical incision for specimen retrieval;The left lower abdominal transverse incision:Left lower abdominal transverse incision for specimen retrieval
Primary outcome(s): The length of incision;VAS pain score;Satisfaction scores;wound infection;Incision fat liquefaction;The occurrence of incisional hernia;Incision dehiscenc
Study Design: Randomized parallel controlled trial