Evaluation of the planning target volume in the treatment of head and neck cancer with intensity-modulated radiotherapy: what is the appropriate expansion margin in the setting of daily image guidance?
Chen
Allen M
AM
Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA. allen.chen@ucdmc.ucdavis.edu
Farwell
D Gregory
DG
Luu
Quang
Q
Donald
Paul J
PJ
Perks
Julian
J
Purdy
James A
JA