Table 1.

Patients' and tumors' characteristics.

	n (%)
Median age (range), years	58.5 (24 to 84)
Sex
Female	24 (46)
Male	28 (54)
Primary tumor	30 (58)
Metastatic/recurrent tumor	22 (42)
Site of primary tumor
Stomach	16 (53)
Small bowel	8 (27)
Other	6 (20)
Site of metastatic tumor
Abdomen/peritoneum	15 (68)
Liver only	6 (27)
Liver/peritoneum	1 (5)
Size of tumor (cm)
≤ 10	37 (71)
>10	15 (29)
Mutation
Exon 11 KIT	32 (62)
Exon 9 KIT	1 (2)
Exon 17 KIT	0 (0)
PDGFRα(exons 18 and 12)	0 (0)
Wild-type	6 (12)
N/A*	13 (25)

^*Not enough tissue for mutational analysis.