The CDx brush biopsy is not a definitive test and even if it comes back positive it still has to be followed by an incisional biopsy. (Oral CDx protocol, not my opinion) Why go through the delays of a brush biopsy to only end up with a result that isn't final. I am unsure why a biopsy would cause a speech impediment since they can take a very minimal amount f tissue to get enough sample. Maybe they meant for a short period of time while it healed....

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.