Survival of gastrointestinal stromal tumor patients in the imatinib era: life raft group observational registry

BMC Cancer

Table 2 Reported primary tumor location by age group and gender

	< 18		18-35		> 35		Total
Primary Tumor Location	F	M	F	M	F	M
Stomach	21	5	47	18	198	210	499
Small intestine		2	25	12	148	204	391
Unknown			4	6	54	50	114
Colon				1	16	16	33
Rectum/anus				2	13	17	32
Large & small intestine				2	5	9	16
Stomach & small intestine					6	5	11
Esophagus & stomach			2		3	6	11
Omentum					4	7	11
Esophagus			1		3	6	10
Peritoneum			1		5	4	10
Other				1	5	3	9
Mesentery			1		2	5	8
Pelvis			1		2	5	8
Liver				1	3	2	6
Retroperitoneal				1		4	5
Pancreas					2	2	4
Spleen					1	2	3
Chest						1	1
Adrenal gland					1		1
Bladder					1		1
Total	21	7	82	44	472	558	1184

Primary tumor sites were provided as free text as listed below in decreasing order. Care must be taken in the interpretation of these data as reporting of primary tumor location as a single or unique site can be challenging (see Limitations). Patients of unknown age at diagnosis were not included (n = 31)

ISSN: 1471-2407