The lncRNA‐ADAMTS9‐AS1 is an antisense lncRNA dysregulated in a number of tumours,14, 15, 16, 17 and dysregulated antisense RNAs have been implicated in the pathogenesis of various human malignancies.18, 19, 20, 21, 22, 23. This evidence concerns the gene ADAMTS9 and neoplasm.