From the Memorial Sloan-Kettering Cancer Center, New York, NY.

The author has disclosed that he has no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Reprints: Anas Younes, MD, Lymphoma Service, 1275 York Ave, Memorial Sloan Kettering Cancer Center, New York, NY 10021. E-mail: younesa@mskcc.org.