Fig. 3From: A novel model to correlate hydrogel spacer placement, perirectal space creation, and rectum dosimetry in prostate stereotactic body radiotherapyPerirectal distance at CTV center versus rV95%, R2 0.60, p < 0.01, (a). Normalized θ*hydrogel volume versus: rV95%, R2 0.60, p < 0.01, (b); rDmax 1 cc, R2 0.64, p < 0.01, (c); and perirectal distance at CTV center, R2 0.66, p < 0.01, (d)Back to article page