Risk stratification for lymph node metastasis using Epstein–Barr virus status in submucosal invasive (pT1) gastric cancer without lymphovascular invasion: a multicenter observational study

Authors:

Abstract
Lymphovascular invasion (LVI) is a strong predictive factor for lymph node metastasis (LNM) in early gastric cancer (GC). This study investigated the risk for LNM in pT1b GC without LVI based on Epstein–Barr virus (EBV) status in addition to conventional clinicopathological parameters.
Funding Information
  • Japan Society for the Promotion of Science (JP16K08661)
  • Daiwa Securities Health Foundation (None)