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. Author manuscript; available in PMC: 2016 Dec 9.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Sep 5;93(5):1071–1076. doi: 10.1016/j.ijrobp.2015.08.040

Table 1.

Comparison of local failure rates for intermediate-risk patients in IRS-III, IRS-IV, and D9803

Patient subsets IRS-III (%) IRS-IV (%) D9803 (%)
All patients 19 13 19
Histology
 Embryonal 19 20
 Alveolar (+ UDS for IRS-III) 17 17
Site
 Parameningeal 19 16 19
 Extremity 17 7 15
 Bladder/prostate 14 19 14
Stage
 N0 16 19
 N1 32 17
Size (cm)
 <5 16 10
 ≥5 21 25

Abbreviation: UDS = undifferentiated soft-tissue sarcoma.