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Table 5 Comparative Rates of Acute Maximum RTOG Grade GI Toxicity for Prostate IMRT with no Endorectal Balloon, an Air-filled Endorectal Balloon, and a Water-filled Endorectal Balloon

From: Acute gastrointestinal and genitourinary toxicity of image-guided intensity modulated radiation therapy for prostate cancer using a daily water-filled endorectal balloon

  non-ERB15 ERBair14 ERBH2O
Toxicity Grade % % %
0 63 68 69
1 23 14 23
2 13 18 8
3 0 0 0
4 0 0 0
  1. Abbreviations: GU = genitourinary; GI = gastrointestinal; IMRT = intensity modulated radiation therapy; ERB = endorectal balloon; H2O – water.