Abstract
Background
Gastric cancers located within the upper-third of the stomach (UGC), especially the esophagogastric junction GC (EGJGC), have distinct clinicopathological features due to their potential for multidirectional lymphatic spread. In this study, we investigated the clinical significance of hiatal hernias (HH) in patients with UGC, including EGJGC.
Methods
In this retrospective study, we assessed status of HH in 147 patients with UGC who underwent curative resection at our hospital and examined the correlation between the presence of HH (+) and multiple clinicopathological factors.
Results
Thirty-four patients (23%) were HH (+). However, we found no significant correlation between HH (+) and clinicopathological factors. HH (+) patients frequently developed lymph node recurrences. Prognosis was significantly better in patients with UGC and HH (−), compared to those with UGC and HH (+). Similarly, EGJGC patients who were HH (−) showed superior survival compared to HH (+) patients. Multivariate analysis found that the HH (+) (p = 0.004), histological type (p = 0.029), and nodal stage (p = 0.034) were independent prognostic factors.
Conclusions
The presence of HH might affect lymphatic spread of tumor cells, and consequently prognosis of patients with UGC. Therefore, special attention is needed in developing surgical and postoperative strategies for such patients with UGC who are HH (+).
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The authors are grateful to Makiko Mishina for expert technical assistance.
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This study was approved by the Ethics Committee of the Yamanashi University and was performed in accordance with the ethical standards of the Declaration of Helsinki and its later amendments.
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Maruyama, S., Kawaguchi, Y., Akaike, H. et al. Prognostic Significance of Hiatal Hernia in Patients with Gastric Cancer Located within the Upper-Third of the Stomach. World J Surg 44, 863–868 (2020). https://doi.org/10.1007/s00268-019-05236-z
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DOI: https://doi.org/10.1007/s00268-019-05236-z