Table 2.

The different setup conditions used to acquire the images for the second series of CBCTs acquired on Linac 1

Couch lateral position (Planiso = linac isocentre)	Setup error applied after Planiso setup	Image match saved	Couch shifts applied	DICOM‐RT RS file created	DICOM‐RT RE files created
0 cm	No	No	No	Yes	0
		Yes	No	Yes	1
		No	Yes	Yes	1
		Yes	Yes	Yes	2
0 cm	Yes	No	No	Yes	0
		Yes	No	Yes	1
		No	Yes	Yes	1
		Yes	Yes	Yes	2
8 cm	Yes	No	No	Yes	0
		Yes	No	Yes	1
		No	Yes	Yes	1
		Yes	Yes	Yes	2

The rows in bold equate to the OBI workflow for online IGRT with a 0 mm action level.