ALK and adenocarcinoma: EGFR (Arg255Gln), EGFR (Ala647Thr), EGFR (Leu858Arg), KRAS (Gly12Cys), ALK (Pro254Thr), ALK (Trp288Ser), ALK (Glu797Lys), ROS (Glu1902Lys), PIK3CA (Met1043Ile), ROS (Leu567Val), and ROS (Phe1153Leu) mutations were present only in patients with adenocarcinoma.