ALK and non-small cell lung carcinoma: Studies that had the following criteria were excluded: (1) systematic reviews, pharmaceutical reports, cross-sectional studies, meta-analyses, case reports, case series, and letters to the editor; (2) articles not in the English language; (3) articles that were not peer-reviewed; (4) studies including pediatric patients; (5) gray literature; (6) studies that did not assess ALK-mutated NSCLC.