<prompt> The most widely used treatment for recurrent respiratory papillomatosis nowadays is:CO2, LASER ablationDiathermy excisionExcision with microdebriderWait for spontaneous resolution  <response>: a CO2 LASER ablationRef. Cummings, 6th ed., 923Spontaneous resolution though may occur after puberty but is unpredictable. Moreover life threatening stridor may occur so CO2 LASER excision is to be done.Various excision techniques, most widely used method is CO2 LASER. 