What is the ruling on not fasting for five years due to fear of a relapse of tuberculosis after two years of treatment, based on the recommendation of doctors?

Fasting is obligatory for whoever witnesses the month. It is permissible for someone who is sick or traveling to break their fast, with the obligation to make up the days they missed. If a trustworthy Muslim doctor informs that fasting would harm the patient, then breaking the fast is permissible. However, if the doctor is not Muslim or not just, their word is not accepted except out of necessity or if the patient senses the harm themselves. The patient must make up the days they missed after their recovery, and there is no expiation due for delaying them if the reason for the delay was the continuation of the illness.