Dr. Gregory Ochsner is a board-certified radiation oncologist. He began practicing radiation oncology at the Exton Cancer Center in 1995, the predecessor to Comprehensive Cancer Care which opened in 2000. His clinical areas of expertise include head and neck cancer, lung cancer, prostate cancer and gynecologic malignancies. Dr. Ochsner has extensive expertise in various forms of both low-dose and high-dose rate brachytherapy, as well as radiosurgery and stereotactic body radiation therapy. Dr. Ochsner led the development of CT scan simulation and 3-D treatment planning at Comprehensive Cancer Care.