A 75-year-old Japanese female never-smoker was presented with a small lung 66 nodule in the right upper lobe...sequencing analysis of the 79 biopsy specimens with FoundationOne®CDx and it revealed a MET exon 14 skipping mutation...We administered tepotinib at a low starting dose of 250mg once daily under careful observation. After 7 weeks, we confirmed efficacy with shrinkage of the enlarged lymph nodes...