Endoscopy Department;
Cancer Hospital of Barretos;
Surgery Post Graduate Course;
Botucatu Medical School;
State of Sao Paulo University;
Surgery and Orthopedics Department;
Botucatu Medical School;
State of Sao Paulo University;
Pathology Department;
Cancer Hospital of Barretos;
Endoscopy Department;
Botucatu Medical School;
State of Sao Paulo University;
Atrophic; gastritis; Esophagus; Squamous; cell; carcinoma; Risk; factor; Alcohol; Tobacco;