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Table 1 Rectal dose constraints for 3D and IM as per local guidelines [5]

From: Volumetric modulated arc therapy is superior to conventional intensity modulated radiotherapy - a comparison among prostate cancer patients treated in an Australian centre

Dose (Gy)

% of total Rectum receiving dose

40Gy

≤ 60% (≤35% with IM)

65Gy

≤ 40% (≤17% with IM)

70Gy

≤ 30%

75Gy

≤ 10%