Comparisons of characteristics between EGFR‐positive and ALK/ROS1‐positive cases, ALK/ROS1‐positive and non‐ALK&ROS1/EGFR cases, and EGFR‐positive and non‐ALK/ROS1/EGFR cases in non‐small cell lung cancer patients. The gene discussed is ROS1; the disease is lung cancer.