Aclient brings a cat to the practice for evaluation of a 2-day history of blood-tinged diarrhea. the veterinarian makes a diagnosis and recommends treatment, but the client cites an article on the internet, and the client now believes this cat has a rare disorder. the client refuses to comply with the treatment recommendation, although the veterinarian is certain of the diagnosis, common to this breed of cat, and the best treatment for it. what is the most appropriate course of action for the veterinary team?