Department of Radiological Technology;
Hyogo College of Medicine College Hospital;
Nishinomiya;
Japan;
Department of Radiology;
Hyogo College of Medicine;
Hyogo;
Nishinomiya;
Japan;
Deformable; Image; Registration; Adaptive; Radiotherapy; Head; and; Neck; Can-cer; Dice; Similarity; Coefficient; Volume; Modulated; Arc; Therapy;