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Table 3 Late toxicities

From: A retrospective study of head and neck re-irradiation for patients with recurrent or second primary head and neck cancer: the McGill University experience

Toxicity Grade 1 Grade 2 Grade 3 Grade 4 Grade 5
Dry mouth 21 % 52 % 7 %   
Dysphagia 29 % 36 % 11 %   
Trismus 28 % 31 % 7 %   
Muscle fibrosis 25 % 25 % 11 %   
Vascular      7 %
Loss of taste 43 % 11 %    
Hearing loss 7 % 21 % 3 %   
Radio-osteonecrosis   7 % 7 % 3 %