Publisher Copyright: ©Maria Beatriz Mourato, Nuno Pratas, Andreia Branco Pereira, Filipa Taré, Raphael Chança, Inês Fronteira, Rui Dinis, Miguel Areia.; Background: Gastric cancer (GC) is the fifth most prevalent neoplasm worldwide and the fourth with the highest mortality, and its geographical distribution is not homogeneous with high-risk, intermediate-risk (IR), and low-risk areas. Advanced stages at diagnos...