Objective: We analyzed the cases of gastric cancer patients who underwent surgical treatment during the 16 years from 1997 to 2012 at our department to clarify these trends. Methods: The subjects were 810 patients who underwent surgery for gastric cancer between 1997 and 2012. We divided the cases into the early-period group (1997-2006) treated before the introduction of laparoscopy, and the late-period group (2007-2012). We compared the clinicopathological factor and survival rates between the early- and late-period groups. Results: The average patient age was higher in the late-period group than in the early-period group. Tumor localization showed an increased proportion in the U-region in the late period, and histological type in the late period showed a higher proportion of poorly differentiated cases. The cases receiving adjuvant chemotherapy increased in the late period. The five-year survival rate in the late-period group was shown to be equivalent to that in early-period group. Although the proportion of poorly differentiated cases was increased in late-period group, their survival rate was equivalent, probably because of the use of adjuvant chemotherapy. Conclusions: Distinct characteristics were seen over the period of 16 years. It is important to continue the analysis of surgical outcomes to identify trends that need to be addressed.
Outcomes following surgery for gastric cancer at a single institution: A 16-year experience
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Akira Yoneda, Kengo Kaneaka, Fumihiko Fujita, Mitsuhisa Takatsuki, Tamotsu Kuroki, Susumu Eguchi; Outcomes following surgery for gastric cancer at a single institution: A 16-year experience. Int Surg doi: https://doi.org/10.9738/INTSURG-D-17-00093.1
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