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Annals of Surgical Oncology
Published in: Annals of Surgical Oncology 13/2017

01-12-2017 | Gastrointestinal Oncology

Cross-Sectional Location of Gastric Cancer Affects the Long-Term Survival of Patients as Tumor Invasion Deepens

Authors: Yoon Ju Jung, MD, Ho Seok Seo, MD, Ji Hyun Kim, MD, Cho Hyun Park, MD, Han Hong Lee, MD

Published in: Annals of Surgical Oncology | Issue 13/2017

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Abstract

Background

The prognosis of gastric cancer is generally determined by tumor depth and lymph node metastasis, while the effect of cross-sectional tumor location on prognosis remains unclear.

Methods

This study recruited patients who had been diagnosed with gastric cancer and who underwent gastrectomy from 1989 to 2012. The cross-sectional locations of the gastric cancers were classified into four regions: the lesser (LC) and greater curvatures (GC), and anterior (AW) and posterior walls (PW).

Results

Overall, 4820 patients were enrolled in this study. The most common site of gastric cancer among the four cross-sectional locations was the LC (46.4%), while the proportions of PW (19.9%), AW (18.4%), and GC (15.4%) were similar. Overall survival differed statistically (p = 0.013) according to the cross-sectional location, and the 5-year overall survival of those with tumors with a GC location was significantly worse (p = 0.003) than for the other three locations. In subgroup multivariate analysis, GC location was an independent prognostic indicator for a worse clinical outcome at T stage 3–4b (hazard ratio 1.365, 95% confidence interval 1.150–1.620, p < 0.001). In addition, a GC gastric cancer had a higher recurrence rate in terms of peritoneal seeding compared with other locations.

Conclusions

The cross-sectional location of gastric cancer is associated with long-term survival. A GC location predicts a worse prognosis, especially in gastric cancer patients with deeper T stages.
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Metadata
Title
Cross-Sectional Location of Gastric Cancer Affects the Long-Term Survival of Patients as Tumor Invasion Deepens
Authors
Yoon Ju Jung, MD
Ho Seok Seo, MD
Ji Hyun Kim, MD
Cho Hyun Park, MD
Han Hong Lee, MD
Publication date
01-12-2017
Publisher
Springer International Publishing
Published in
Annals of Surgical Oncology / Issue 13/2017
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-017-6101-2

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