Table 1. Patient characteristics.

Variable	N	%
Patients	32
Median age (range)	21 (15 to 61)
Type of primary lesion
Bone	21	66
Extra-skeletal	11	34
Gender
Male	18	56
Female	14	44
Primary tumor location
Axial	18	56
Peripheral	14	44
Size
>10 cm	16	50
<10 cm	16	50
Stage of disease
Metastatic	19	59
Localized	13	41
Metastatic sites
Lungs	8	25
Bones	8	25
Lungs and bones	3	9

ES: Ewing Sarcoma.