A Poorly Differentiated Malignant Neoplasm Lacking Lung Markers Harbors an EML4-ALK Rearrangement and Responds to Crizotinib oleh Jon H. Chung, Siraj M. Ali, Jenni Davis, Karl Robstad, Richard McNally, Laurie M. Gay, Rachel L. Erlich, Norma A. Palma, Phil J. Stephens, Vincent A. Miller, Alfonso Cutugno, Jeffrey S. Ross