Brazilian consensus in gastric cancer: guidelines for gastric cancer in Brazil.

Background: In Brazil, gastric cancer is the fourth most common malignancy among men and sixth among women. The cause is multivariate and the risks are well known. It has prognosis and treatment defined by the location and staging of the tumor and number of lymph nodes resected and involved.

Gastric carcinoma in a 13-year-old girl.

Gastric cancer is uncommon before the fifth decade of life. The appearance of adenocarcinoma in young adults has motivated molecular studies that aimed to identify inherited mutations. Moreover, carcinoma of the stomach in the young adult is sufficiently rare to generate considerable interest in each occurrence of it, especially when it occurs in the gastroesophageal junction.