IMRT

TO BLEED OR NOT TO BLEED – Valdagni et al , Int.J Rad Onc Biol Phys, feb 2009

Dose–volume histograms (DVHs) for patients belonging to the low-risk bleeder (blue lines) and high-risk nonbleeder groups (green line). The red line is the cut-off DVH value that can be derived from literature-based dose–volume constraints.