Subclassification of extranodal involvement in gastric cancer patients.

  title={Subclassification of extranodal involvement in gastric cancer patients.},
  author={Kenji Nakamura and Kyoji Ogoshi and Hiroyasu Makuuchi},
  volume={57 101},
BACKGROUND/AIMS Extranodal involvement (Ex) has been shown as a negative prognostic factor in several cancers. We classified Ex using 3 methods for gastric cancer and evaluated its influence on patient outcome. METHODOLOGY The status of Ex in the 103 node-positive patients with curative resection was classified according to: 1) the number of lymph nodes with Ex, 2) the lymph node grouping system, as specified by the Japanese Classification of Gastric Carcinoma, into Ex confined to compartment… CONTINUE READING