IMRT 2018

LKB NTCP parameters

QUANTEC meta-analysis for grade ≥2 rectal toxicity or late rectal bleeding: TD 50 = 76.9 (73.7–80.1) Gy

m = 0.13 (0.10–0.17) n = 0.09 (0.04–0.14)

Indicates serial-type behaviour

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• Later studies are in line with these values

06/06/2018