Size-dependent differences in the proximal remnant stomach: how much does a small remnant stomach after subtotal gastrectomy work?

Background The application of laparoscopic subtotal gastrectomy (LsTG) in the management of early gastric cancer located in the upper third of the stomach creates an extremely small remnant stomach (SRS). However, it is unclear whether retaining such an SRS improves patients’ postoperative outcomes in a similar manner to a conventional remnant stomach (CRS).