Prognostic significance of the number of positive lymph nodes in gastric carcinoma

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Abstract
A total of 195 patients with node‐positive gastric carcinoma who were treated by curative gastrectomy and lymphadenectomy were studied to evaluate the prognostic significance of the number of metastatic lymph nodes. Univariate analysis showed that the number and level of positive nodes, tumour size and depth of invasion, and type of gastrectomy were significantly related to patient survival. Multivariate analysis indicated that the number of positive nodes (up to six versus seven or more; relative risk 2.91), depth of invasion (three levels; relative risk 1.83) and histological type (well versus poorly differentiated; relative risk 0.63) were independently correlated with survival. The results indicate that the total number of positive nodes is the most significant prognostic factor in patients with node‐positive gastric carcinoma.