Table 2.

-Main clinical characteristic of patients with recurrent/metastatic GIST.

Patient no.	Sex	Age (years)	Previous tumor site	Recurrent/metastatic location	Operative treatment	Preoperative medication duration (months)	Medication duration of nonsurgical patients (months)	Mutation status
14	M	45	Rectum	Anastomosis	No	-	8	Unknown
15	M	30	Small bowel	Anastomosis	Yes	1	-	Exon 11
16	M	42	Rectum	Liver	No	-	35	Exon 11
17	M	39	Small bowel	Liver	Yes	9	-	Exon 9
18	F	50	Small bowel	Pelvis	Yes	1	-	Exon 9