Department of Pathology, New York University Grossman School of Medicine, New York, NY

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

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

Reprints: Andre L. Moreira, MD, PhD, Department of Pathology, New York University Grossman School of Medicine, 560 First Avenue, New York, NY 10016 (e-mail: [email protected]).