Table 4.

Dosimetric values for the lungs and esophagus; proton doses are given in Gy (IsoE).

Patient no.	Both lungs, Mean dose (Gy)		Right lung, Mean dose (Gy)		Esophagus, Mean dose (Gy)
	Photon	Proton	Photon	Proton	Photon	Proton
1	2.2	1.2	3.3	2.2	7.0	1.7
2	0.5	0.0	0.6	0.0	1.8	0.0
3	9.6	5.5	11.9	8.9	16.3	0.6
4	2.2	0.7	3.3	0.7	5.4	0.0
5	1.1	0.2	1.1	0.4	7.1	0.2
6	5.3	3.6	8.1	6.7	7.1	0.5
7	0.1	0.0	0.2	0.0	0.3	0.0
8	4.4	0.2	5.0	0.4	12.7	0.0
9	0.6	0.0	0.6	0.0	0.4	0.0
10	2.3	0.5	3.2	0.9	2.2	0.8
Mean	2.8	1.2	3.7	2.1	6.0	0.4
P value	.002		.002		.002