CYYR1 and neoplasm: The percentage of difference between the two replicate measurements and the respective mean value was lower than 15% for all the genes in all the samples, except for B2M in one NE tumor sample and the CYYR1 CAG+ isoform values in 5 tumor samples and 1 control sample, where the 17.4–54.8% range difference was due to the presence of values situated near to the lowest detectable level.