2017_IGRT course book

Mid-ventilation is very simple (used clinically on hundreds of patients)

4D CT

Mid-ventilation CT

Eliminates systematic error due to imaging (except hysteresis) Geometrically and dosimetric very close to full 4D plan!

Wolthaus et al, IJROBP 2006; Nijkamp et al ICCR 2007

ESTRO IGRT 2017