Fig. 1From: Dosimetric feasibility of moderately hypofractionated/dose escalated radiation therapy for localised prostate cancer with intensity-modulated proton beam therapy using simultaneous integrated boost (SIB-IMPT) and impact of hydrogel prostate-rectum spacera Coverage of PTV2RU to volume of PTV2RU; significant negative correlation (P = 0.027). b CI to volume of PTV2RU, and HI to volume of PTV2RU; no correlationBack to article page