Targeted therapy is also an important component of lung cancer treatment, and treatment regimens require testing for EGFR, ALK, ROS1, RET, MET, BRAF, NTRK, HER2, NRG1, FGFR1, and PIK3CA (Guo et al., 2019; Wei et al., 2023). The gene discussed is ROS1; the disease is lung cancer.