<prompt> Clinical features of nasopharyngeal angiogibroma are -a 3rd to 4th decadesb Adolescent malec Epistaxis and nasal obstruction are the cardinal symptomd Radiotherapy is the Rx of choicee Arises from posterior nasal cavitybcebcacdace  <response>: NFA occurs in adolescent males.Nasal obstruction and epistaxis are the most common presenting symptoms.It arises in the posterior part of nasal cavity near the sphenopalatine foramen.Treatment of choice is surgery. 