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Fig. 1 | Chinese Journal of Cancer

Fig. 1

From: Effects of dosimetric inadequacy on local control and toxicities in the patients with T4 nasopharyngeal carcinoma extending into the intracranial space and treated with intensity-modulated radiotherapy plus chemotherapy

Fig. 1

Isodose distribution in a patient with nasopharyngeal carcinoma (NPC) extending to the right cavernous sinus. The right temporal lobe is close to the tumor. The gross tumor volume is delineated with a red line. Most of the tumor was underdosed. Although the maximum point dose of the right temporal lobe was 66.0 Gy, 95% of it received less than 60 Gy. The eyes, brain stem, left temporal lobe, optic chiasm, and optic nerves were spared from high-dose radiation

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