Prospective analysis of 231 elective neck dissections in oral squamous cell carcinoma with node negative neck—To decide the extent of neck dissection

Prospective analysis of 231 elective neck dissections in oral squamous cell carcinoma with node negative neck—To decide the extent of neck dissection: To evaluate the incidence of level IIB and IV lymph node metastases in patients of oral carcinoma with N0 necks. This study will help to decide the extent and need of routine comprehensive removal of these specific lymph node groups in selective neck dissection.

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