She was diagnosed with stage 4 lung cancer after it spread to her liver; a gene test and targeted therapy helped her live nearly a decade

Stage four lung cancer can be stealthy, often showing late symptoms. Precision oncology now offers personalized treatments for lung cancer subtypes. ALK-positive lung cancer, a subtype, responds well to targeted therapies. A patient with stage four ALK-positive lung cancer achieved long-term survival. This case highlights the effectiveness of modern targeted treatments.