612 / 1119
Duodenal toxicity in Extended field RT
• Limiting V55 to less than 15% - statistically
significant differences in 3 year rate of
actuarial duodenal toxicity
• IMRT allows sufficient sparing of the small
bowel to allow dose escalation to 65Gy
Verma et al; IJROBP 2014; 88: 357-362
Poorvu et al; IJROBP 2013; 85: 1262-8