Figure 1From: Ipsilateral irradiation for well lateralized carcinomas of the oral cavity and oropharynx: results on tumor control and xerostomiaOropharyngeal cancer. A representative example of a CT-based dose plan for a patient with a T2N0M0 tonsillar carcinoma treated with a pair of ipsilateral wedged fields. Green line: PTV1, treated to 70 Gy; red line: PTV2 including ipsilateral II, III and retropharyngeal lymph node levels, treated with 50 Gy. Contralateral parotid and part of the oral cavity are preserved from significant radiation.Back to article page