...liquid biopsy revealed additional increase of tumor molecular burden (somatic alteration burden, 16.4% v 12.2%), with persistence of FGFR1 amplification and reappearance of RAF-1 amplification, as well as the emergence of CDK6 amplification...Ponatinib was discontinued after 12 weeks because of further disease progression with adrenal metastasis, and nivolumab was started under compassionate use...The patient ultimately died in July 2018 as a result of clinical deterioration and further disease progression.