This reminds me of the story about a medieval Swiss warrior who had a huge thyroid goiter, and was struck in the neck by an axe during battle. He survived, the mostly cystic thyroid mass drained and he was cured of his goiter.
Looks like CheeseDonkey might have recreated history. Look out for signs of infection though, unless scrupulous sterile Exacto knife procedure was followed. :dubious: