By Molly M. Fleming / Development / September 16, 2020 Stephenson Cancer Center Director Dr. Robert Mannel has been advocating for an American Cancer Society Hope Lodge since he came to Oklahoma City in 1989. The cancer center at OU Medicine treats patients from all 77 counties and 40% of the patients drive more than 50 miles to get treatment, he said. After treatment, many patients need rest or need to be monitored to see if they have a reaction.