- Patients with known activating mutations in the epidermal growth factor receptor (EGFR) gene or anaplastic lymphoma receptor tyrosine kinase (ALK) or c-ros oncogene 1, receptor tyrosine kinase (ROS-1) (this test [ROS-1] will be done only on select patients and at the discretion of treating physicians) translocation positive; the mutational status of all patients will be determined prior to study entry