Phase II Study for Robot Assisted Distal Gastrectomy

Inclusion Criteria

• •1. Biopsy specimen from the primary lesion shows adenocarcinoma
• •2. Diagnosed as Stage IA early gastric cancer according to the preoperative esophagogastroduodenoscopy and computer tomography
• •3. Endoscopic submucosal dissection is not indicated
• •4. Tumor was located within lower two thirds of stomach
• •5. Not having duodenal invasion
• •6. Eastern clinical oncology group performance status is 0 or 1
• •7. Body mass index is lower than 30
• •8. No prior laparotomy
• •9. No prior chemotherapy or radiation including those for other cancers
• •10. Fulfil all following conditions WBC \> 3,000/mm3 Plt \> 100,000/mm3 AST \< 100 IU/L ALT \< 100IU/L T.Bil \< 2.0 g/dl Cre \< 1.5mg/dl