Participants with gastrointestinal stromal tumors(GIST) were divided into favorable and unfavorable sites according to the anatomical site of the tumor, and this study aims to validate the overall postoperative morbidity and mortality rates between favorable site receiving laparoscopic resection of GIST and that of unfavorable site under the currently standard surgical therapy.
Age between 18 and 75 years old
Primary gastric lesion confirmed pathologically GIST by endoscopic biopsy. Preoperative endoscopy, ultrasound endoscopy or computer tomography, Magnetic resonance suspected GIST, and then postoperative pathology confirmed as the original GIST
Written informed consent
Expected R0 resection by laparoscopy
Pregnant and lactating women
Suffering from a severe mental disorder
History of previous upper abdominal surgery (except for laparoscopic cholecystectomy)
History of previous gastric surgery (including ESD/EMR for gastric cancer)