Dr. Ronald Chen, Professor, and Chair of the Department of Radiation Oncology at the University of Kansas, specializes in genitourinary (GU) cancers, including prostate cancer, bladder cancer, and kidney cancer. The University of Kansas is a National Cancer Institute-designated comprehensive cancer center and is the sole NCI cancer center in its region. This designation underscores their commitment to providing the best treatment options for their cancer patients, which include proton therapy.