Sarcomas, particularly of the mandible, do happen to 3-5% of people that get high doses of radiation, usually 70+ grays..... but these do not appear until about year ten post treatment. IF you have something else, it is not likely that this is from your radiation treatments.

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.