FIG 2. Radiation-induced changes in a 54-year-old man who underwent radiation therapy 9 months earlier.

A, Axial CT scan shows diffusely thickened neopharynx (black arrows), platysmal thickening (white arrows), reticulation of the subcutaneous fat (arrowhead), and exaggerated enhancement of the submandibular gland (G), all consistent with benign radiation changes.

B, Sonogram at level of tongue base shows globular-shaped neopharynx (arrows).