<prompt> True about papilloma is all except:Solitary is more common in adults and most common presentation is change in voiceSolitary type is more aggressive, prognosis is bad and malignant transformation is commonMultiple type is more common in children and most common presentation is hoarse cryEarly treatment leads to better results in multiple type  <response>: b Solitary type is more aggressive, prognosis is bad and malignant transformation is commonRef. Cummings, 6th ed., 923Solitary type which is more common in adults is less aggressive no stridor and malignant transformation is rare.Early treatment will prevent stridor and therefore better results in multiple type in children. Rest are true. 