FIGURE 1.
Section view of the RefleXion X1 linac with components: (1) kVCT X‐ray tube; (2) MV EPID; (3) PET detectors; (4) kVCT detector; (5) primary collimators; (6) 6MV linac; (7) kVCT plane; (8) MV and PET plane; (9) cooling system; and (10) couch