ALK and non-small cell lung carcinoma: Furthermore, no data on genetic driver mutations such as the epidermal growth factor receptor (EGFR) and the echinoderm microtubule-associated protein-like-anaplastic lymphoma kinase (EMLA-ALK) were available in NSCLC patients, and therefore we were unable to evaluate if the mutation-positive patients were evenly distributed between the three AAPR groups.