Answer:
The right to leave the hospital against medical advice
Explanation:
A patient (or relative in charge, if patient is unconscious) always has full freedom to make a decision on their health, for example leaving the hospital or rejecting an exam, even if it goes against what the doctor treating him advice, this applies as long as the patient can make an informed decision, for this the patient needs to be mentally available and physically able to demonstrate awareness of the situation and mental stability.
If a patient is having mental issues and is not able to understand or process the information given that the patient is deprived of the right to leave the hospital against medical advice, especially if the patient is dangerous as they could cause problems.
