Christina Henson, M.D. (IMAGE) University of Oklahoma Caption Radiation oncologist Christina Henson, M.D., of the University of Oklahoma led the international study published in The Lancet Oncology. Credit University of Oklahoma Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.