Complex sentence: For important high ranking prisoners, the doctors at Qincheng Prison do not have the final decision making authority on how to treat the prisoners for their illness because it is a political decision determined by the top brass of the communist regime.
Split into simpler sentences: For important high ranking prisoners, the doctors at Qincheng Prison do not have the final decision making authority on how to treat the prisoners for their illness. It is often a political decision determined by the top brass of the communist regime.