Oncology nursing is a healthcare specialty that allows registered nurses to help doctors and patients in cancer treatment centers in and out of a regular hospital setting. The cancer care field is expanding as technology grows, so programs dealing with this specialty evolve and adapt yearly to remain relevant.

A Doctorate of Philosophy, or PhD, may require eight years or more to complete, as well as a dissertation. In most fields, the possession of a PhD qualifies the holder to become a professor of a chosen subject. There are many different programs available.