PARP Inhibitors in Cancer Therapy – Part2 Dr. Lemon continues his discussion on PARP inhibitors in cancer treatment. PARP inhibitors are being evaluated as as a potential targeted therapy for cancer. Visit to see more lectures from Dr. Lemon. Stephen Lemon MD is a board certified Omaha oncologist, who lectures and writes on various cancer topics. He also produces cancer information videos and works on cancer education web projects. Currently Dr. Lemon is the president of Oncology Associates and also works with CancerIS -