Clinical evaluation of endoscopic resection for treatment of large gastric stromal tumors

Table 2 Data for gastric stromal tumors of different volumes

Maximum diameter of the tumor		Pathological grade (n)		Targeted drugs (n)		Recurrence or metastasis (n)
		Endoscopy	Surgery	Endoscopy	Surgery	Endoscopy	Surgery
< 27 cm3	Low risk	24	39	0/24	1/24	1/24	0/26
	Moderate risk	1	2	0/1	2/2	0/1	0/2
	High risk	0	0	0	0	0	0
27-125cm3	Low risk	10	64	0/10	4/52	1/10	1/52
	Moderate risk	2	34	0/2	20/28	0/2	1/28
	High risk	0	7	0	5/6	0	2/6
125-1000 cm3	Low risk	0	0	0	0	0	0
	Moderate risk	0	39	0	20/26	0	0/26
	High risk	0	24	0	18/21	0	2/21
≥ 1000 cm3	Low risk	0	0	0	0	0	0
	Moderate risk	0	0	0	0	0	0
	High risk	0	15	0	9/10	0	2/10
Total	261	37	224	0/37	79/171	2/37	8/171
P-value		cP < 0.05		bP < 0.01		0.693