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Single Incision Plus One Port Laparoscopic Proximal Gastrectomy with Double Channel Anastomosis for Gastric Cancer Treatment
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Subtotal Gastrectomy for Clinical Stage I Remnant Gastric Cancer
Ryuhei Aoyama1,2, Shigeru Tsunoda1,2, Ryosuke Okamura1,2
1Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
World Journal of Surgery
|May 21, 2025
Summary
Subtotal gastrectomy (SG) shows promising feasibility and oncological safety for early remnant gastric cancer (RGC). This surgical approach may offer better body weight preservation compared to completion gastrectomy (CG).
Area of Science:
- Surgical Oncology
- Gastrointestinal Surgery
- Cancer Research
Background:
- Subtotal gastrectomy (SG) is a surgical option for early remnant gastric cancer (RGC).
- Limited reports exist on the feasibility and oncological safety of SG for RGC.
- This study evaluates short- and long-term outcomes of SG for RGC.
Purpose of the Study:
- To evaluate the short- and long-term outcomes of subtotal gastrectomy (SG) for remnant gastric cancer (RGC).
- To compare SG with completion gastrectomy (CG) in terms of complications, survival, and nutritional status.
- To assess the feasibility and oncological safety of SG for RGC.
Main Methods:
- Multi-institutional retrospective cohort study.
- Comparison of subtotal gastrectomy (SG) and completion gastrectomy (CG) in clinical stage I RGC patients.
- Evaluation of short- and long-term outcomes, including complications, survival rates, body weight, and serum albumin levels at 1 year postoperatively.
Main Results:
- No anastomotic leakage in the SG group vs. 6.4% in the CG group (p=0.62).
- Similar 3-year relapse-free survival rates: 79.8% for SG and 78.8% for CG (p=0.80).
- Significantly less body weight loss at 1 year postoperatively in the SG group (96.4%) compared to CG (90.4%) (p=0.021).
Conclusions:
- Subtotal gastrectomy (SG) is a potential option for clinical stage I remnant gastric cancer (RGC) when a clear proximal margin is achieved.
- SG demonstrates comparable oncological safety to CG with potential benefits in body weight preservation.
- Further research may solidify SG's role in RGC management.
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