. Author manuscript; available in PMC: 2017 Jun 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2016 Jan 29;95(2):696–702. doi: 10.1016/j.ijrobp.2016.01.032

Table 3.

Specific stereotactic body radiation therapy fractionation patterns by lesion

Specific PTV dose (Gy)/no. of fractions^*	Lesions treated, n (%) (n=81)	GTV (cm³), mean (range)
16/1	38 (46.9)	10.1 (0.8–87.3)
18/1	21 (25.9)	15.4 (0.6–101.9)
19/1	1 (1.2)	25.5 (…)
24/1	11 (13.6)	14.6 (0.3–71.2)
30/3	6 (7.4)	13.5 (3.0–41.6)
50/5	4 (4.9)	28.1 (3.1–86.0)

Abbreviations: GTV = gross tumor volume; PTV = planning target volume.

Eighteen patients were treated with 16 Gy; 43 patients received ≥18 Gy.