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Ann Gastroenterol. 2019 Jan-Feb;32(1):99-106. doi: 10.20524/aog.2018.0320. Epub 2018 Oct 3.

Ten-year survival outcomes of patients with potentially resectable gastric cancer: impact of clinicopathologic and treatment-related risk factors.

Author information

1
Hematology Oncology Unit, Fourth Department of Internal Medicine (Anna Koumarianou, Katerina Kampoli).
2
Third Department of Surgery (Sylvia Krivan, Nikolaos Machairas, Dimitrios Schizas, George Martikos, Evangelos P. Misiakos, Pavlos Patapis, Theodoros Liakakos).
3
Fourth Department of Surgery (Anastasios Ntavatzikos).
4
Department of Hygiene, Epidemiology and Medical Statistics (Nikos Pantazis), Medical School, National and Kapodistrian University of Athens, Athens, Greece.

Abstract

Background:

Despite therapeutic advancements, gastric cancer (GC) remains a leading cause of death worldwide.

Methods:

This retrospective cohort study statistically analyzed the clinicopathologic characteristics, treatments and outcomes of patients with potentially resectable GC managed at our institution between 2006 and 2010. The STROBE checklist was applied.

Results:

Preoperative assessment of 164 GC patients (male: female ratio 1.87, median age 65 years) assigned 132 (80.5%) to total (56; 42.4%) or subtotal (76; 57.6%) gastrectomy. Resection margins were microscopically tumor-free (R0) in 100 (75.8%), microscopically infiltrated (R1) in 25 (18.9%) and macroscopically infiltrated (R2) in 7 (5.3%) patients. Nodal plane dissection was D0 in 34 (25.8%), D1 in 62 (47.0%) and D2 in 36 (27.3%) patients. Early GC was diagnosed in 19 patients (14.4%). Fluorouracil-based chemotherapy was administered in 69.7% and chemoradiation in 18.2% of patients. The 5- and 10-year survival rates of patients with R0 resection were 74% and 65.4%, respectively. The 2-year survival rates for R1 and R2 resection were 28.9% and 0% respectively. The 5- and 10-year survival rates according to nodal plane dissection were 55.6% and 41.4% for D2, and 53.2% and 49.7% for D1, respectively. On multivariate analysis, T4, N3 and R1/R2 remained independent negative prognostic factors for overall survival. Microscopic or macroscopic infiltration of surgical margins was the worst adverse prognostic factor for survival.

Conclusion:

These results are equivalent to those from centers of excellence and indicate the urgent need for improvements in the field, particularly in the development of predictive models to guide personalized therapy.

KEYWORDS:

D2 gastrectomy; Gastric adenocarcinoma; chemotherapy; multidisciplinary; radiotherapy; resection; survival

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