<prompt> A 35 year female comes with Size 5 cm tumour of the oral cavity single lymph node of 2 cm diameter on the same side in the neck is staged asT2NI MOT3 NI MOT2 N2 MOTI NI MO  <response>: TNM staging of oral cancer :Tx : Cannot be assessed e.g. already excised.T0 : No evidence of primary tumor occult primary.Tis : Carcinoma in - situ.T1 : Equal to or less than 2 cm in greatest dimension.T2 : More than 2 cm. bul less than or equal to 4 cm.T3 : More than 4 cm.T4a : Moderately advanced local disease :Lip and check - involvement of cortical bone, skin, inferior alveolar nerve.Tongue - extrinsic muscles, skin.T4b : Very advanced local disease :Check - involvement of masticatory space, base of skull, internal carotid artery.Internal carotid artery.TNM staging of cavity tumors. Status of lymph nodes N : 