I would be very worried that the LLM would say something medically wrong, and we'd get sued for a lot of money. ISTM that a better thing to do is to use the LLM

I would be very worried that the LLM would say something medically wrong, and we'd get sued for a lot of money. ISTM that a better thing to do is to use the LLM to generate a lot of training data that you then test your handwritten super-regex against.