Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH

The authors have no funding or conflicts of interest to disclose.

Reprints: Christopher G. Przybycin, MD, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, 9500 Euclid Ave, L25, Cleveland, OH 44195 (e-mail: [email protected]).

All figures can be viewed online in color at www.anatomicpathology.com.