Scar tissue on the lyrynx is the most likely culprit, a result of radiation. It gets better as time goes by, but If I raise my voice and yell, jut briefly, or if l lecture for about an hour, I will have it back for the rest of the day. That is from someone 5 years out. But it is a question that you sholuld pose to your doctors to be sure.

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.