Clinical Study

Status of the Gastric Mucosa with Endoscopically Diagnosed Gastrointestinal Stromal Tumor

Table 3

A-B classification of atrophy of the entire mucosa and status of the mucosa at the GIST site in H. pylori-positive and -negative patients.

B-0B-1B-2B-3A0A1A2

H. pylori-negative ( )
 Atrophy (—)221
 C-type
 O-type
H. pylori-positive ( )
 Atrophy (—)
 C-type4481
 O-type141

C-type: closed-type atrophy, O-type: open-type atrophy.