Nowadays the status of radiotherapy in head and neck cancer is well-recognized, but radio - therapy complications can not be ignored. Radiation-induced xerostomia is the most frequent one.

放射治疗在头颈肿瘤的地位已得到广泛认同，但放疗并发症不容忽视，最常见的是放射性口干。

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Nowadays the status of radiotherapy in head and neck cancer is well-recognized, but radio - therapy complications can not be ignored. Radiation-induced xerostomia is the most frequent one.

放射治疗在头颈肿瘤的地位已得到广泛认同，但放疗并发症不容忽视，最常见的是放射性口干。

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