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Table 1 Dose-volume objectives for Breast PTV Eval

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%