Table 1 Baseline characteristics of patients

 Male

30 (32.3%)

 Female

63 (67.7%)

Patients with prior surgery

45 (48.4%)

Median Age (range), yr

48.6 (15.2–78.7)

Median Tumor volume (range), cm³

5.02 (1.07–35.46)

 Primary

48 (51.6%)

 Residual

31 (33.3%)

 Recurrent

14 (15.1%)

 For all patients

5.1 (0.17–300)

 For recurrent patients

33.6 (3.8–300)

 For patients with residual tumor

3.8 (0.17–12)

 Median margin dose (range), Gy

12 (10–15)

 Mean margin dose, Gy

12.2

 Median maximum dose (range), Gy

25 (20–33.3)

 Mean maximum dose, Gy

25.8

 Median isodose line (range)

47% (43–50%)

Mean imaging follow-up in months (range)

40.7 (6–119.4)

Mean clinical follow-up in months (range)

52.7 (9.6–123.4)