What disease used to mean a terminal prognosis but now because of early detection and treatment advances, is not always fatal?

Question

Quizplus · Accepted Answer

Cancer used to have a terminal prognosis, but with advances in early detection and treatment, it is no longer always fatal. The other options, Black Plague, Heart Disease, and Chronic Liver Failure, have not seen the same level of improvement in prognosis with early detection and treatment.

What Disease Used to Mean a Terminal Prognosis but Now