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Table 3 Summary of the results of the survival analysis (log-rank test). Overall, the gastric resection group showed a longer survival time. However, gastric resection provided no survival benefit for patients who have distant lymph node or liver metastasis, non-tubular adenocarcinoma, or did not undergo postoperative chemotherapy

From: The impact and optimal indication of non-curative gastric resection for stage IV advanced gastric cancer diagnosed during surgery: 10 years of experience at a single institute

Condition Gastric resection group
MST (years)
No-resection group
MST (years)
p value
(log-rank test)
• Entirely 1.9 (n = 43) 0.9 (n = 28) <0.01
• Incurable factors    
  P(+) and/or CY (+), LN(−)H(−) 2.6 (n = 34) 0.8 (n = 21) <0.01
  P(−)CY(−), LN (+) or H (+) 1.7 (n = 7) 1.6 (n = 5) 0.527
• Histological classifications    
  Tubular adenocarcinoma 1.9 (n = 16) 0.6 (n = 10) 0.042
  Poorly differentiated adenocarcinoma 2.6 (n = 28) 1.0 (n = 18) 0.318
  Signet cell adenocarcinoma 1.4 (n = 5) 0.8 (n = 6) 0.070
• Postoperative chemotherapy    
  Chemotherapy (+) 3.0 (n = 36) 0.9 (n = 21) <0.01
  Chemotherapy (−) 0.7 (n = 8) 0.2 (n = 7) 0.589