PLAT and neoplasm: circ_0069765, circ_0079471 and circ_0084097 were selected for the validation of the array results, and we detected the expression of these circRNAs in 68 pairs of tissue samples and showed that the three circRNAs were significantly upregulated in tumour tissues, while their host genes KIT, PLAT and ETV1 had a similar rising trend in expression.