Page 18 - Organ motion in children for high-precision radiotherapy - Sophie Huijskens
P. 18
Unaligned initial overlap: CBCT + CT
Figure 1.4 | Example of position verification using the bony anatomy as surrogate and measuring the residual error (from top to bottom): unaligned overlap of planning CT (in purple) and CBCT (in green), bones aligned (in white), right kidney aligned (note: bones shifted).
15
Bony anatomy aligned
Kidney aligned (note: bones shifted)
