LINC00538 and colorectal carcinoma: The expression levels of GAS5, H19 and Yiya were up-regulated in liver metastases compared with primary CRC (fold change = 0.4, 1.0 and 0.6, respectively; all p < 0.0500), while MEG3 was down-regulated (fold change = −0.3; p < 0.0010).