684 / 1601
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
Mid-ventilation CT
4D CT
Mid-ventilation is very simple
(used clinically on hundreds of patients)
ESTRO IGRT 2018