Table 1.

-Main clinical characteristic of patients with primary GIST.

Patient no.	Sex	Age (years)	Primary tumor site	Metastatic location	Operative treatment	Preoperative medication duration (months)	Medication duration for nonsurgical patients (months)	Mutation status
1	M	59	Stomach	None	Yes	15	-	Exon 11
2	F	68	Stomach	None	Yes	2	-	Exon 11
3	M	40	Small bowel	None	Yes	9	-	Exon 11
4	M	46	Stomach	Liver	No	-	12	Exon 9
5	M	40	Pelvis	None	No	-	57	Exon 13
6	M	74	Stomach	Liver	No	-	6	Exon 11
7	M	40	Small bowel	Liver	No	-	6	Unknown
8	M	70	Stomach	Liver	No	-	21	Exon 11
9	F	51	Rectum	None	Yes	4.5	-	Exon 11
10	M	87	Stomach	None	No	-	7	Unknown
11	M	77	Stomach	None	No	-	7	Unknown
12	M	55	Small bowel	None	Yes	9	-	Exon 11
13	M	46	Rectum	None	Yes	7	-	Exon 11