Head & neck
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This study investigates the influence on survival and regional control rates of neck dissection therapy at the time of surgery of the primary tumor in early stages of squamous cell carcinoma (SCC) of the oral cavity. ⋯ In patients with intraoral carcinomas, elective neck treatment should be considered even in cases with a small primary tumor and negative clinical examination because of the high incidence of occult nodal metastases and the tendency to regional recurrences.