EML4 (echinoderm microtubule-associated protein-like 4)-ALK (anaplastic lymphoma kinase) was recently identified as a transforming fusion gene in non-small cell lung cancer (NSCLC).     ///    "A small-molecule tyrosine kinase inhibitor of ALK, crizotinib, shows pronounced clinical activity in the treatment of patients with NSCLC positive for EML4-ALK, and it has rapidly entered into daily clinical practice."    ///    "A small-molecule tyrosine kinase inhibitor of ALK, crizotinib, shows pronounced clinical activity in the treatment of patients with NSCLC positive for EML4-ALK, and it has rapidly entered into daily clinical practice. "