Diagnosis and treatment strategies in patients with NSCLC with or without EGFR mutations. - IDENTIFY

The purpose of this trial is to compare the evolution of patients receiving first line treatment for locally advanced or metastatic lung cancer, taking into account if they were requested or not the EGFR mutation test as part of the diagnosis and treatment strategy. There is no assignment to any particular therapeutic strategy.

Study of cases and controls on diagnosis and treatment strategies in patients with NSCLC with or without EGFR mutations.