PARP Inhibitors for Cancer Treatment – Part1 Oncologist Stephen Lemon talks about PARP Inhibitors in the treatment of cancer. Because several forms of cancer are more dependent on PARP than regular cells it may be an option for cancer therapy. This video is part 1 of 4 on the topic of PARP Inhibitors. Visit to see more lectures from Dr. Lemon. Dr. Stephen Lemon is a board certified Omaha oncologist, cancer lecturer and writer, who also produces cancer information videos. He currently is the president of Oncology Associates and works with CancerIS a Community -