From: Postoperative complications and nutritional status between uncut Roux-en-Y anastomosis and Billroth II anastomosis after D2 distal gastrectomy: a study protocol for a multicenter randomized controlled trial
Preoperative
3 M
6 M
9 M
12 M
18 M
24 M
36 M
48 M
60 M
Endoscopy
*
**
Laboratory
CT scan
Upper digestive tract radiography