Table 2.

A summary of the most frequent time at each stage of the stereotactic ablative body radiotherapy process in the UK compared with that in Japan

Stages	UK mode (min)	Japan mode (min)
4D-CT	30–40
Target and OAR delineation	30–60
Treatment planning	>91	61–120
Patient-specific plan QA	30–45	50–60
Daily treatment delivery	21–30	30

4D-CT, four-dimensional CT; OAR, organ at risk; QA, quality assurance.