Fig. 3From: 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 spacerBox plot comparing median (range) of the predicted rectal NTCP rates for necrosis/stenosis, late bleeding, and late toxicity ≥ 3 for non-spacer group vs. spacer groupBack to article page