He isn't exactly without treatment, it is that the treatment he is receiving is causing another problem.
The International Red Cross probably need to offer to help.
...Chen Guangfu said Tuesday (click here) that he tried to see his son again on Monday at Linyi prison but was rebuffed and told Kegui’s application for medical parole was denied. Instead, Chen said, a prison medic told him that the appendicitis was being treated with antibiotics and that an infection had caused a cyst....