 - Histologically or cytologically confirmed diagnosis of metastatic NSCLC according to the 7th edition of the AJCC Cancer Staging Manual. In addition, the NSCLC must harbor an ALK rearrangement, as assessed using the FDA approved Vysis ALK Break Apart FISH Probe Kit Abbott Molecular Inc. test and scoring algorithm including positivity criteria. If documentation of ALK rearrangement as described above is not locally available, a test to confirm ALK rearrangement must be performed by a Novartis designated central laboratory. Patients must wait for the central laboratory result of the ALK rearrangement status before initiating treatment with ceritinib 