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Table 3 Grades of late injuries of nervous system

From: Analysis of late toxicity in nasopharyngeal carcinoma patients treated with intensity modulated radiation therapy

Total number 208
Late injury Total Total % Distribution of patients
1 2 3 4
n   Grade Grade Grade Grade
Brain stem 1 0.48 0 1 0 0
Temporal lobe 9 4.33 0 8 1 0
Cranial nerve 6 2.88 0 4 0 2
Spinal cord 0 0 0 0 0 0