During the upper endoscopy, six biopsies were taken from the antrum: each two centimeters from the pylorus, three from the greater curvature and three from the lesser curvature. Six more biopsies were taken from the corpus: eight centimeters from the cardia, three from the lesser curvature and three from the greater curvature. Biopsies were preformed according to the protocol recommended by experts 16, 17.
Durante la endoscopia digestiva alta, se tomaron seis biopsias del antro a dos centímetros del píloro tres de la curvatura mayor y tres de la curvatura menor y seis biopsias del cuerpo a ocho centímetros del cardias tres de la curvatura menor y tres de la curvatura mayor, siguiendo el protocolo de toma de biopsias recomendado por expertos 16, 17.