. 2017 Jan 26;12(1):e0170901. doi: 10.1371/journal.pone.0170901

Table 2. MTV and parameters of DVH for all the organs at risk.

Organs	Parameters	Original plan	Composite plan	p value
MTV	(ml)	136.2±82.3^*	64.7±68.0^*	0.001
Total-lung	V5	58.90%	48.60%	<0.001
	V10	44.50%	34.60%	<0.001
	V13	37.40%	30.50%	<0.001
	V15	33.90%	27.80%	<0.001
	V20	27.80%	23.30%	<0.001
	V25	23.70%	19.20%	<0.001
	V30	20.40%	15.60%	<0.001
	D_mean (cGy)	1663.0±568.9^*	1444.6±547.4^*	<0.001
Heart	V10	50.20%	38.20%	0.002
	V20	34.60%	28.10%	0.002
	V30	25.60%	21.90%	0.001
	V40	18.20%	15.10%	0.001
	V50	13.30%	9.50%	0.001
	V60	6.50%	4.40%	0.001
	D_mean (cGy)	1937.4	1545.8	0.001
Esophagus	V35	39.40%	35.70%	0.001
	V40	38.30%	32.50%	0.001
	V50	31.30%	25.90%	0.001
	V55	29.50%	21.60%	0.001
	V60	26.90%	17.80%	0.001
	D_max (cGy)	7241.2	7186.9	0.001
	D_mean (cGy)	2528.2±1136.3^*	2268.3±1196^*	0.04
Spinal-cord	D_max (cGy)	4,199.7	4,133.9	0.004

*: Mean ± standard deviation.

MTV, metabolic tumor volumes; DVH, dose volume histogram.