Table 2.

Descriptions of Each Plan Quality Metric (PQM)

Plan Quality Metric Component	Objective(s)	Score
[ROI] Metric	Endpoint [Optimal]	Min	Max
[Total lung] V[5Gy] (%)	<75 [≤40]	0	10
[Total lung] V[20Gy] (%)	<40 [≤15]	0	10
[Total lung] V[30Gy] (%)	<25 [≤10]	0	10
[Total lung] Mean dose (Gy)	<20 [≤10]	0	10
[Heart] V[30Gy] (%)	<45 [≤10]	0	10
[Heart] V[40Gy] (%)	<30 [≤5]	0	10
[Esophagus] Dmax (Gy)	<70 [≤50]	0	10
[Esophagus] V[50Gy] (%)	<65 [≤60]	0	10
[Spinal cord] Dmax (Gy)	<40 [≤30]	0	10
[Spinal cord PRV] Dmax (Gy)	<45 [≤35]	0	10
Total [10 Metrics]		0	100