Status of the Gastric Mucosa with Endoscopically Diagnosed Gastrointestinal Stromal Tumor

Table 2

Patient characteristics (𝑛=46).

Age	Mean: 63.9 years (45–92)
Sex (M : F)	22 : 24
Lesion site (U : M : L)	32 : 12 : 2
Lesion size	Mean: 40.4 mm; (6–110 mm)
GIST risk classification
Very low risk	8
Low risk	25
Intermediate risk	7
High risk	3
Status of atrophy of entire mucosa
Atrophy (—)	23
Closed-type atrophy	17
Open-type atrophy	6
A-B classification of gastritis/atrophy at lesion site
B0 : B1 : B2 : B3 : A0 : A1 : A2	26 : 5 : 12 : 1 : 1 : 1 : 0
H. pylori infection
Positive : negative	23 : 23