Table 1.

MRI sequencing parameters for DWI acquisition on Elekta Unity MR-Linac.

Parameters	Rectal DWI sequencing
Field of view (mm)	AP = 420
	RL = 420
	FH = 120
Recon. Voxel (mm)
AP	1.75
RL	1.75
TR (ms)	4483
TE (ms)	81
DELTA/delta (ms)	40.7/20.3
Fat Suppression	STIR
EPI factor	55
Parallel imaging factor	2.2
Section thickness (mm)	4
Direction of motion probing gradients	Isotropic
b-factors (s/mm2)	0, 30, 150, 500
b-factor averages
b = 0	8
b = 30	8
b = 150	8
b = 500	16