*Pathologist, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY;

†Pathologist, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY; and

‡Pathologist, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY

Correspondence: Cecilia Lezcano, MD, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center 1275 York Avenue, New York, NY 10065 (e-mail: [email protected])

The authors, faculty, and staff have no relevant financial relationships with any ineligible organizations regarding this educational activity.

Research reported in this publication was supported in part by the Cancer Center Support Grant of the National Institutes of Health/National Cancer Institute under the award number P30CA008748.