[1] The First Affiliated Hospital of China Medical University,Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education
[2] The First Affiliated Hospital of China Medical University,Department of Anesthesiology
[3] The First Affiliated Hospital of China Medical University,Department of Ultrasound
[4] The First Affiliated Hospital of China Medical University,Department of Anorectal Surgery