RT Parameter | Per protocol | Variation acceptable |
---|---|---|
% of PTV covered by prescription dose | 95 % | ≥95 % of the PTV is covered by ≥95 % of the prescription dose |
% of ITV (motion-incorporated CTV) | 100 % | ≥99 % |
Maximum PTV dose PTV (0.03 cc) | ≤120 % RX | ≤125 % RX |
Minimum PTV dose (0.03 cc) | ≥85 % RX | ≥75 % RX |
Normal lung (Both lungs minus GTV) | V5 ≤ 60 % | V5 ≤ 65 % |
V20 ≤ 37 % | V20 ≤ 40 % | |
Mean dose < 20 Gy (RBE) | Mean Dose: ≤ 22 Gy (RBE) | |
Esophagus | Max dose: 74 Gy (RBE) ≤ 1 cc of partial circumference | Max dose: 74 Gy (RBE) ≤ 1.5 cc of partial circumference |
Brachial Plexus | V66 ≤ 2.0 cc | V66 ≤ 2.5 cc |
V70 ≤ 1.0 cc | V70 ≤ 1.5 cc | |
V74 ≤ 0.5 cc | V74 ≤ 1.0 cc | |
V75 ≤ 0.1 cc | V75 ≤ 0.5 cc | |
Spinal Cord | V50 < 0.03 cc | V52 < 0.03 cc |
Heart | V30 ≤ 50 % | 50 % ≤ V30 ≤ 55 % |
V45 ≤ 35 % | 35 % ≤ V45 ≤ 40 % |