Factors associated with pN3 stage tumors according to the TNM classification in advanced gastric cancer.

Background/aims: The aim of the present study was to analyze factors associated with pN3-stage tumors, as classified according to the TNM Classification of Malignant Tumors, in patients who undergo curative resection for advanced gastric cancer.

Methodology: A total of 391 patients with advanced gastric cancer (247 males and 144 females; average age, 59.2 years) were enrolled in the present study.