PARP Inhibitors for Cancer Treatment – Part3 In cancer treatment, PARP Inhibitors is a targeted therapy which targets the exact genetic changes that make cancer cells so deadly, while leaving normal cells alone. Oncologist Stephen Lemon discusses the possibility of PARP Inhibitors in treating cancer. Visit to watch other cancer lectures from Dr. Lemon. Dr. Stephen Lemon is a board certified Nebraska oncologist, who lectures and writes on various cancer topics. He also produces cancer education videos and works on various cancer information web projects such as CancerIs -