<prompt> Commandos operation is forMandibleRadical mastectomyLeg amputationOral cancer  <response>: It is en-bloc removal ,which includes wide excision of primary tumour with hemimandibulectomy and neck block dissection,examples : it is done usually in carcinoma of tongue or floor of the mouth ;it is a composite resection of primary tumour ,mandible and radical neck dissectionRND SRB,5th,451. 