...we firstly report that coexistence of a novel Neurobeachin (NBEA)-ALK, EML4-ALK double-fusion is sensitive to alectinib….The patient responded to alectinib as a second-line treatment and achieved stable disease for 11 months, without significant symptoms of toxicity. Significantly, the liquid biopsy also validated clinical benefit, with the disappearance of NBEA-ALK and EML4-ALK fusion variants.