949 / 1674
N=37 left-sided BC patients, 21 of these with 2 CT scans (free
breathing and voluntary moderately deep inspiration breath hold,
vmDIBH)
CTV=lumpectomy cavity + 15 mm restricted to chest wall and 5 mm
from skin
PTV=CTV + 5 mm
Is there a role for VMAT and DIBH in APBI?
Essers et al, Acta Oncol 2014