Fig. 3From: Cone beam CT-based dose accumulation and analysis of delivered dose to the dominant intraprostatic lesion in primary radiotherapy of prostate cancerPIRADS 2.1 sector map [14]. Permission for publication obtained from American College of Radiology Committee on PI-RADS®, licensed under Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0). Abbreviations: AFS anterior fibromuscular stroma, CZ central zone, TZa/p transition zone, anterior/posterior, PZa/pm/pl peripheral zone, anterior/posterior medial/posterior lateral, US urethraBack to article page