Role of Radiation Therapy in Adult Extraskeletal Ewing’s Sarcoma Patients Treated with Chemotherapy and Surgery

Table 1

Patient demographics and tumor characteristics.

	No. of RTs (144)		Pre-op RT (14)		Post-op RT (79)		value
Age	40.51	±16.85	46.71	±15.36	38.25	±15.46	ns
	N	Percent	N	Percent	N	Percent
Sex
Male	72	50.00	9	64.29	43	54.43	ns
Female	72	50.00	5	35.71	36	45.57	ns
Race
White	130	90.28	12	85.71	71	89.87	ns
Black	8	5.56	0	0.00	3	3.80	ns
American Indian, Aleutian, or Eskimo	2	1.39	0	0.00	0	0.00	ns
Asian	1	0.69	0	0.00	3	3.80	ns
Pacific islander	2	1.39	1	7.14	0	0.00	ns
Others	1	0.69	0	0.00	2	2.53	ns
Grade
Grade 1	3	2.08	0	0.00	2	2.53	ns
Grade 2	3	2.08	0	0.00	1	1.27	ns
Grade 3	83	57.64	8	57.14	34	43.04	ns
Grade 4	55	38.19	6	42.86	42	53.16	ns
Tumor size (categorical)
<5 cm	48	33.26	1	7.14	31	39.30	ns
5–10 cm	62	43.02	4	28.57	34	43.08	ns
>10–15 cm	22	15.26	7	50.00	9	11.42	ns
>15 cm	12	8.29	2	14.28	5	6.34	ns
Charlson–Deyo Score
0	122	84.72	14	100.00	71	89.87	ns
1	18	12.50	0	0.00	7	8.86	ns
>1	4	2.78	0	0.00	1	1.27	ns
Margins
R0	122	84.72	12	85.71	58	73.42	ns
R1	18	12.50	2	14.29	13	16.46	ns
R2	4	2.78	0	0.00	8	10.13	ns
Chemo
Not given	31	21.53	5	35.71	15	18.99	ns
Given	108	75.00	9	64.29	64	81.01	ns
Unknown	5	3.47	0	0.00	0	0.00	ns
Facility type
Community cancer program	2	1.39	0	0.00	3	3.80	ns
Comprehensive community cancer program	17	11.81	2	14.29	10	12.66	ns
Academic/research program	43	29.86	3	21.43	21	26.58	ns
Integrated network cancer program	2	1.39	4	28.57	3	3.80	ns
Unknown	80	55.56	5	35.71	42	53.16	ns