From: Per-fraction positional and dosimetric performance of prone breast tangential radiotherapy on Halcyon™ linear accelerator assessed with daily rapid kilo-voltage cone beam computed tomography: a single-institution pilot study
Breast PTV Eval
DVH objective
Evaluator (%)
Variation acceptable
D95%
≥ 95
≥ 90%
V90%
≥ 99
≥ 98%
V105%
≤ 10
≤ 15%/ ≤ 200 cc to Breast tissue [12]
Dmax
≤ 107
≤ 110%