 Really, the last part of this is the cancer perspective is understanding how do we do this safely in people that have lower grade cancers and then eventually kind of higher grade cancers so that they don't have to go through the suffering of having to have their voice box removed and then live their life without that. Marty, when you hear us talk about this like this, are there points where you just kind of shake your head in disbelief that this is happening, has happened to you?