2017_IGRT course book
ITV • Straightforward (?) • Physician time (contouring)
MidVentilation • Counterintuitive (?) • Physicist time (choice of phase + margin calculation)
• Smaller lung volume irradiated
• Coverage is ensured • Larger volumes of lung irradiated if large motion
• Requires special software?
• Needs an elaborate 4D viewer?
Do not delay the introduction/routine use of 4D-CT because of this issue!
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