604 / 1119
Bowel Doses : 3DCRT vs. IMRT
Bowel Dose
IMRT
3DCRT
P value
V15 Small Bowel
≥ 275 cc
8 (13.1%)
25 (44.6%)
<0.0001
V40Small Bowel
≥ 150 cc
1 (1.6%)
26 (46.4%)
<0.0001
V15 Peritoneal Cavity
≥ 1200 cc
15 (24.5%)
24 (42.8%)
0.06
V40 Peritoneal Cavity
≥ 750 cc
1 (1.6%)
20 (35.7%)
<0.0001
IMRT led to significant reduction in Bowel and PC doses
S Chopra et al; ASTRO 2015