Accelerated hypofractionated radiotherapy plus chemotherapy for inoperable locally advanced non-small-cell lung cancer: final results of a prospective phase-II trial with a long-term follow-up

Table 2 a, b Relevant normal tissue dosimetric parameters for organs at risk (OaR)

a: dosimetric values for total lung
OaR	Total lung (α/β 3.1)
	V5	V10	V20
Mean	1337	873	514 (13%)
Max	2502	1551	1241 (27%)
Min	832	422	191 (5%)
b: dosimetric values for esophagus, cord and heart
OaR	Esophagus		Cord		Heart
OaR	α/β 4		α/β 3		α/β 3
	NTD2 mean	NTD2 max Gy	NTD2 mean Gy	NTD2 max Gy	NTD2 mean Gy	NTD2 max Gy
Mean (Gy)	10	22	3	7	4	23
Max (Gy)	43	72	12	18	41	3
Min (Gy)	1	4	0	0	0	80
V40(cc)	0	4	0	0	7	102
V55(cc)	0	0	0	0	0	6

V5, V10, V20 = total lung volume (cc) receiving 5, 10, 20 Gy, respectively
In the V20 column, below cc value is reported also percent value
NTD2 = normal tissue dose 2 Gy equivalent reported with maximum and mean dose for all OaR; V40 and V55 = organs at risk (cc) receiving 40 and 55 Gy, respectively

ISSN: 1748-717X