Department of Gastroenterology;
Instituto do Cancer;
Hospital das Clinicas;
HCFMUSP;
Faculdade de Medicina;
Universidade de São Paulo;
São Paulo 01249000;
Brazil;
Department of Pathology;
Instituto do Cancer;
Hospital das Clinicas HCFMUSP;
Faculdade de Medicina;
Universidade de Sao Paulo;
São Paulo 01249000;
Brazil;
Department of Pathology;
Instituto Adolfo Lutz;
São Paulo 01246000;
Brazil;
Stomach neoplasms; Gastric cancer; Translational medical research; Molecular classification; Immunohistochemistry; Biomarkers;