Preliminary Efficacy Analysis of 'λ+α' Double-Tract Reconstruction After Laparoscopic Proximal Gastrectomy

"1. The lymphadenectomy is performed according to the Japanese Gastric Cancer Treatment Guidelines~2. Transection of the esophagus is performed using a linear stapler 2cm away from the proximal end of the tumor.~3. The jejunum is dissected 30 cm from the flexor ligament and the distal jejunum is lifted in an anterior colonic direction to the esophageal dissection.~4. Esophagojejunal anastomosis at 16 cm from the distal jejunal stump；~5. Residual gastrojejunostomy at 8 cm from the distal jejunal stump；"