Table 2 Clinical features and endoscopic procedure of 411 GISTs of 403 patients

Age [year; mean ± SD; (range)]

56.5 ± 8.6 (29–78)

Gender [n (%)]

 Male

115 (28.5%)

 Female

288 (71.5%)

Tumor diameter [mm; mean ± SD]

9.7 ± 4.1

Location [n (%)]

 Fundus

288 (69.8)

 Corpus

114 (18.7)

 Antrum

9 (2.2)

Pathological diagnosis [n (%)]

 Very-low risk

376 (91.5)

 Low risk

25 (6.1)

 Intermediate risk

8 (1.9)

 High risk

2 (0.5)

Endoscopic procedures [n (%)]

 BLR

159 (38.6)

 ESD

118 (28.7)

 EFTR

133 (32.4)

 STER

1 (0.1)

EUS features

 Hypoechoic lesion

411

 Irregular border

0

 Cystic spaces

0

 Ulceration

0

 Heterogeneity

0