Table 1.

Patient groups using ABC and corresponding effect on radiation therapy treatment

Patient group		No. of patients	Action
1(a)	On treatment with ABC mDIBH, with less than 5 fx remaining	8	Continue ABC mDIBH treatment
1(b)	On treatment with ABC mDIBH, with more than 5 fx remaining	13	Transition treatment to vBH
2	Scanned and planned using ABC mDIBH	11	Start treatment with vBH

Abbreviations: ABC = Active Breathing Coordinator; fx = fractions; mDIBH = moderate deep inspiration breath hold; vBH = voluntary breath hold.