This invention is directed to the treatment of cancer in a patient, particularly a patient with lung adenocarcinoma, and more particularly a patient with SLC34A2-ROS1, CD74-ROS1, or FIG-ROS1 fusion-positive non-small cell lung cancer, with an inhibitor of MET, VEGFR2, and ROS1 which is a compound of Formula (I): or a pharmaceutically acceptable salt thereof.