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A comparison of inhalation-phase images of concurrent 4D CBCT during VMAT delivery with
(a) FF and (b) FFF.
Nakagawa K et al. J Radiat Res 2014;55:200-202
projection images 1104 (range, 1093–1116) for FF and 490 (range, 481–500) for FFF
12.5 Gy in partial arc, 1 cm amplitude, 3 sec period
12.5 Gy from 200 sec FF to 90 sec FFF with 6 MV Elekta and no concurrent CBCT
Online 4D CBCT