aFrom the Department of Radiology (M.B., K.K.P., O.Y., J.T., A.S., J.A.-P., E.L., A.I.H., S.K.), Memorial Sloan Kettering Cancer Center, New York, New York

dDepartment of Radiology (A.I.H.), Weill Medical College of Cornell University, New York, New York

eDepartment of Neuroscience (A.I.H.), Weill-Cornell Graduate School of the Medical Sciences, New York, New York