<prompt> A patient presented with a 1 x 1.5 cms growth on the lateral border of the tongue. The treatment indicated would be -Laser ablationInterstitial brachytherapyExternal beam radiotherapyChemotherapy  <response>: Ans is a i.e. laser ablation Treatment of oral tongue cancer is primarily surgical, with wide local excision and negative margin control. Small tumors T1- T2- may be removed by wide local excision and primary closure or closure by secondary intention. Excision of larger tumors - requires paial glossectomy or hemiglossectomy. Schwaz writes- The CO2 laser may be used for excision of early tongue cancers or for ablation of premalignant lesions. If regional lymphnodes are involved- Modified radical neck dissection or selective neck dissection is done. Indications for postoperative radiation therapy include evidence of perineural or angiolymphatic spread or positive nodal disease. 