Table 4. Dosimetry comparison of ART plan with original CT plan for organs at risk ($\overline{x}\pm s$).

Parameter	ART plan	Original CT plan	t/Z value (a is t value)	P value
Affected lung Dmean (Gy)	1,203.46±35.92	1,476.62±39.07	−18.06a	<0.001
Double lung Dmean (Gy)	824.69±11.10	837.69±14.31	−6.67 a	<0.001
Heart Dmean (Gy)	658.67±10.12	668.37±13.03	−3.11	0.002
Contralateral breast Dmax (Gy)	2,636.15±36.18	2,679.85±63.32	−3.18	0.001
Affected lung V5 (%)	53.45±2.05	56.29±1.73	−5.97a	<0.001
Affected lung V10 (%)	32.97±1.62	35.60±1.69	−6.36a	<0.001
Affected lung V20 (%)	16.34±1.16	33.85±54.95	−3.18	0.001
Affected lung V30 (%)	13.29±0.68	14.29±1.45	−3.00a	0.011
Double lung V5 (%)	39.97±0.98	41.46±0.89	−8.80a	<0.001
Double lung V10 (%)	22.38±0.47	23.02±0.47	−7.71a	<0.001
Double lung V20 (%)	9.19±0.64	9.55±0.58	−8.37a	<0.001
Double lung V30 (%)	6.03±0.30	6.35±0.21	−2.99	0.003
Heart V5 (%)	34.66±1.17	36.76±1.19	−9.25a	<0.001
Heart V10 (%)	14.03±0.85	15.26±0.81	−7.74a	<0.001
Heart V20 (%)	7.49±0.61	8.48±0.70	−7.88a	<0.001
Heart V30 (%)	4.92±0.23	5.22±0.24	−7.35a	<0.001
Contralateral breast V5 (%)	29.25±1.93	31.50±2.32	−8.28a	<0.001
Contralateral breast V10 (%)	11.79±0.46	12.61±0.51	−7.57a	<0.001

ART, adaptive radiation therapy.