Stereotactic Body Radiotherapy for Small Lung Tumors in the University of Tokyo Hospital
Figure 4
CBCT images (axial view) for a moving phantom (QUASAR; Modus Medical Devices, Inc.): (a) 3D (2 minutes per rotation), (b) 4D (4 minutes per rotation), (c) 4D (2 minutes per rotation), and (d) 4D (1 minute per rotation) images.
