<prompt> A patient presents with cheek ca of 2.5 cm size close to and involving the alveolus with a single mobile cervical lymph node of 6 cm size. What is the TNM stagingT3 N2T3 N3T4 N2T4 N3  <response>: TNM staging given in image Carcinoma Buccal Mucosa Cheek MC site of carcinoma oral cavity in India : Bucccal Mucosa. Related to chewing a combination of tobacco mixed with betel leaves, are a nut and lime shell Most malignant tumors are low grade SCC Frequently appearing on background of leukolakia. Lymphatic spread is first to Level I and II LNs Clinical features Pain is minimal, obstruction of stensons duct can lead to parotid Enlargement Treatments T1: Excision with primary closure T2: Surgery - Radiotherapy T3 and T4 surgery Radiotherapy or chemoradiation Ref: Bailey and love 27th edition Pgno :772 