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Planning Concepts For Breathing
Maximum
exhale
Conventional
free
breathing
Internal
target
volume
Gating or
breath
holding
GTV
CTV
Time-weighted
average position
Mid-position
Geometrical average
position
Maximum
inhale
PTV
ITV
UNIVERSITA
’
DEGLI STUDI DI TORINO
Wolthaus et al., IJROBP 2008