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

Table 1 Data on gastric stromal tumors of different sizes

Maximum diameter of the tumor		Pathological grade (n)		Targeted drugs (n)		Recurrence or metastasis (n)
		Endoscopy	Surgery	Endoscopy	Surgery	Endoscopy	Surgery
3-5 cm	Low risk (115)	28	87	0/28	4/69	1/28	0/69
	Moderate risk (8)	1	7	0/1	5/7	0	1/7
	High risk (1)	0	1	0	Lost to follow-up	0	Lost to follow-up
5-10 cm	Low risk (22)	6	16	0/6	0/12	1/6	1/12
	Moderate risk (69)	2	67	0/2	34/46	0	0/46
	High risk (15)	0	15	0	12/14	0	3/14
≥ 10 cm	Low risk (0)	0	0	0	0	0	0
	Moderate risk (1)	0	1	0	1/1	0	0/1
	High risk (30)	0	30	0	21/22	0	3/22
Total	261	37	224	0/37	79/171	2/37	8/171
P-value		aP < 0.05		bP < 0.01		0.693

^aP < 0.05: Endoscopy vs Surgery in high-risk patients.

^bP < 0.01: Endoscopy vs Surgery in patients receiving targeted drugs.