Endosonographic surveillance of 1-3 cm gastric submucosal tumors originating from muscularis propria

Table 2 Basic characteristics and endoscopic ultrasound findings in13 patients with confirmed gastrointestinal stromal tumors in the stomach

Case	Age (yr)/sex	Location	Heterogeneous hypoechoic echotexture	Irregular border	Internal cystic change or calcification	Initial size (I, mm)	Final size (F, mm)	Tumor progression (F/I≥ 1.2)	Surveillance procedures	Surveillance duration (mo)	Malignant potential
1	41/F	Body	+	-	-	15	23	+	4	82.1	Very low
2	67/F	Fundus	+	-	+	15	23	+	5	66.5	Very low
3	50/F	Cardia	-	+	-	16	20	+	4	22.8	Very low
4	70/M	Body	-	-	-	15	20	+	8	37.9	Very low
5	57/F	Cardia	+	+	-	28	50	+	3	19.3	Low
6	46/M	Fundus	+	+	-	30	35	+	2	3.4	Low
7	55/F	Antrum	-	-	-	18	23	+	2	63.0	Low
8	69/F	Body	-	-	-	21	28	+	2	3.7	Low
9	49/M	Body	+	+	-	24	30	+	3	47.9	Low
10	61/F	Fundus	+	+	-	24	33	+	6	41.9	Low
11	54/M	Body	+	+	-	21	28	+	5	32.1	Intermediate
12	59/F	Body	+	+	-	18	23	+	2	5.5	Intermediate
13	60/F	Fundus	+	+	-	30	51	+	2	31.3	High