[1] Univ Texas MD Anderson Canc Ctr, Dept Imaging Phys, Houston, TX 77030 USA
[2] Mercy Catholic Med Ctr, Dept Radiol, Darby, PA 19023 USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Gastrointestinal Oncol, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Intervent Radiol, Houston, TX 77030 USA
[5] Univ Texas MD Anderson Canc Ctr, Dept Body Imaging, Houston, TX 77030 USA
[6] Univ Arkansas Med Sci, Dept Biomed Informat, Little Rock, AR 72205 USA
[7] Baylor Coll Med, Dept Radiol, Houston, TX 77030 USA