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Gastric Cancer

, Volume 22, Issue 5, pp 1060–1068 | Cite as

Oncological feasibility of laparoscopic subtotal gastrectomy compared with laparoscopic proximal or total gastrectomy for cT1N0M0 gastric cancer in the upper gastric body

  • Yosuke Kano
  • Manabu OhashiEmail author
  • Satoshi Ida
  • Koshi Kumagai
  • Souya Nunobe
  • Takeshi Sano
  • Naoki Hiki
Original Article
  • 387 Downloads

Abstract

Background

The upper gastric body is of particular interest in relation to gastrectomy because this area includes a border; that is, both distal and proximal gastrectomy for early gastric cancer can involve this area. Laparoscopic subtotal gastrectomy (LsTG) is reported to be suitable procedure compared with laparoscopic proximal and total gastrectomy (LPG, LTG), regarding postoperative nutritional status and surgical safety. However, whether LsTG is an oncologically acceptable procedure for early gastric cancer in the upper gastric body is unclear.

Methods

We analyzed 215 patients with cT1N0M0 gastric cancer limitedly located in the upper gastric body. The frequency of conversion from each intended procedure to an alternative procedure, the width of the pathological margin, the incidence of lymph node metastasis at each station and the 3-year overall survival (OS) and relapse-free survival (RFS) were evaluated.

Results

LsTG was planned for 65 patients, and LPG for 72 and LTG for 78, respectively. Conversion to other procedures was required in about 10% of patients for whom LsTG or LPG was planned. The width of the pathological margin in patients who underwent LsTG was significantly shorter than patients who underwent the others. No patients who underwent LsTG, LPG or LTG had metastases in station no. 2 or 4sa lymph node. The 3-year OS and RFS rates of patients for whom each procedure was planned were not different.

Conclusions

LsTG could be an oncologically acceptable procedure for cT1N0M0 gastric cancer in the upper gastric body. LsTG could be one option for such disease.

Keywords

Early gastric cancer Upper gastric body Laparoscopic subtotal gastrectomy Laparoscopic proximal gastrectomy Laparoscopic total gastrectomy 

Notes

Acknowledgements

The authors declare that no external funding was received for this study.

Compliance with ethical standards

Conflict of interest

The authors have no conflicts of interest to declare.

Human rights statement

All procedures followed were in accordance with the ethical standards of the institutional and national committees governing human experimentation and in compliance with the Helsinki Declaration of 1964 and later versions.

Informed consent

Informed consent or an appropriate substitute was obtained from all patients prior to their inclusion in the study.

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Copyright information

© The International Gastric Cancer Association and The Japanese Gastric Cancer Association 2019

Authors and Affiliations

  1. 1.Department of Gastroenterological Surgery, Gastroenterological Center, Cancer Institute HospitalJapanese Foundation for Cancer ResearchTokyoJapan

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