title: Letters to the Editor.
authors.affiliation: Department of Radiology, University of Illinois Hospital and Health Sciences System, 1740 W Taylor Street, Mail Code 931, Chicago, IL 60612; Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California.
authors.forename: R
authors.initials: R
authors.lastname: Peter Lokken
authors.affiliation: Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California.
authors.forename: Nicholas
authors.initials: N
authors.lastname: Fidelman
authors.affiliation: Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California.
authors.forename: K
authors.initials: K
authors.lastname: Pallav Kolli
authors.affiliation: Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California.
authors.forename: Robert K
authors.initials: RK
authors.lastname: Kerlan