“…Conversely, most oligoprogressive ALK + NSCLC patients with negative liquid biopsies appear to have a more indolent course without need for immediate change of systemic treatment.Conflicts of Interest:All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi. org/10.21037/tlcr-[21][22][23][24][25][26][27][28][29][30][31][32]. PC reports grants and personal fees from Novartis, grants and personal fees from Roche, grants and personal fees from AstraZeneca, personal fees from Pfizer, grants and personal fees from Takeda, personal fees from Chugai, personal fees from Boehringer, outside the submitted work; SD reports personal fees from Roche, outside the submitted work; DK reports personal fees from Pfizer, personal fees from BMS, personal fees from AstraZeneca, outside the submitted work; AV reports personal fees from AstraZeneca, outside the submitted work; MR reports personal fees from Amgen, personal fees from AstraZeneca, personal fees from BMS, personal fees from Boehringer, personal fees from Lilly, personal fees from Merck, personal fees from MSD, personal fees from Novartis, personal fees from Pfizer, personal fees from Roche, personal fees from Samsung, outside the submitted work; AS reports personal fees from AstraZeneca, personal fees from Lilly, personal fees from Bayer, personal fees from BMS, personal fees from Illumina, personal fees from Janssen, personal fees from MSD, personal fees from Novartis, personal fees from Pfizer, personal fees from Roche, personal fees from Seattle Genomics, outside the submitted work; MT reports grants from AstraZeneca, personal fees from Lilly, personal fees from BMS, personal fees from MSD, personal fees from Novartis, personal fees from Roche, personal fees from Boehringer, personal fees from Celgene, personal fees from Takeda, personal fees from AbbVie, outside the submitted work; HS reports grants and personal fees from Roche, outside the submitted work.…”