967 / 1109
ART for head and neck cancer
•
decrease in weight (avg 7%),
tumour volume, OAR
•
E.g. parotid gland
Shrinkage 1% per day
Displacement 3–4 mm (up
to 1 cm) at end of treatment
toward mid-sagittal plane
•
E.g. nodal and primary-tumour
2–3% per treatment day (up
to 90%)
Schwartz et al, J Oncol 2011