Review Article

Adaptive Radiation Therapy for Head and Neck Cancer—Can an Old Goal Evolve into a New Standard?

Figure 4

A case example of changes in parotid gland volume during a 33-fraction IMRT treatment course. (a) shows the percent of volume change for each parotid as a function of treatment fraction. The (b) and (c) shows an axial CT slice of the parotid before radiotherapy (b) and after 33 fractions of radiotherapy (c).
690595.fig.004a
(a)
690595.fig.004b
(b)
690595.fig.004c
(c)