[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[2]Department of Pathology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
[1]Department of Gastroenterology,the First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China;
Colonoscopy; Surgical mesh; Hernia repair; Sigmoid colon; Colonic polyps; Computed tomography; Foreign bodies;