49 Cine MRI-Based Analysis of Intrafractional Motion in Radiation Treatment Planning of Head and Neck Cancer Patients. (October 2019) - Weiss, Yonatan; Chin, Lee; Lau, Angus; Husain, Zain; Higgins, Kevin; Enepekides, Danny; Eskander, Antoine; Ho, Ling; Poon, Ian; Karam, Irene