The phlegm and thick saliva as well as the mucocitis sores have been discussed here a lot. Use the message board search engine and search under these different words. You will find many posts on the issue. I sure that someone will give you a personal answer, but this is a beginning.

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.