D92: Stereotactic Radiosurgery — Ear, Nose, Mouth and Throat0 Ear; 1 Nose; 4 Mouth; 5 Tongue; 6 Salivary Glands; 7 Sinuses; 8 Hard Palate; 9 Soft Palate; B Larynx; C Pharynx; D NasopharynxD Stereotactic Other Photon Radiosurgery; H Stereotactic Particulate Radiosurgery; J Stereotactic Gamma Beam RadiosurgeryZ NoneZ None