Figure 4From: Distinct effects of rectum delineation methods in 3D-confromal vs. IMRT treatment planning of prostate cancerComparison of 3-field (3F), 4-field (4F) and IMRT treatment plans with the rectal dose based on the DVH (Fig 4a), the DWH3 (Fig 4b) and the DSH (Fig 4c).Back to article page