CCAT2 and neoplasm: However, in a different set of 15 unpaired normal breast tissues from EMC, CCAT2 expression levels measured by RT-qPCR did not vary significantly from the levels measured in the n=977 clinical specimens (CCAT2 RNA levels in normal and tumor tissue, average ± SD: 0.0078±0.00445 and 0.0060±0.00298, respectively, P>0.05).