Nadia N. Laack, M.D., is a radiation oncologist at Mayo Clinic Comprehensive Cancer Center in Rochester, Minnesota. Dr. Laack treats pediatric and adult cancers including brain tumors, lymphoma, neuroblastoma, sarcoma and Wilms’ tumor. She is an expert in intensity-modulated radiation therapy (IMRT), proton therapy, gamma knife surgery, stereotactic body radiotherapy and stereotactic radiosurgery. Dr. Laack has been instrumental in developing and expanding novel forms of advanced radiation therapy at Mayo Clinic. She has a special interest in pediatric cancers, central nervous system tumors and radiosurgery with goals of improving outcomes for pediatric and adult sarcomas, pediatric and adult brain tumors and skull base tumors such as chordomas and chondrosarcomas. Dr. Laack is Enterprise Co-Deputy Director for Cancer Practice and serves as Chair of the Department of Radiation Oncology. Mayo Clinic is top-ranked in more specialties than any other hospital, according to U.S. News & World Report, and the Cancer Center continually ranks among the top hospitals in the U.S. for Cancer. Mayo Clinic Comprehensive Cancer Center is a National Cancer Institute (NCI)-designated comprehensive cancer center.