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What is All of the following are indication for adjuvant radiotherapy in head neck cancers except:- and explain in detail?
Lymph node >3cm is not an indication for adjuvant radiotherapy in head neck cancers. Indications for postoperative include:- -positive margins -invasion of the soft tissues of the neck -extranodal involvement - perineural invasion, and -more than 5 mm of subglottic invasion.