ARSA and neoplasm: For both tumor groups, the frequency of the WT genotype differed significantly based on the method used (PTMiC: Seq vs. ASA-PCR, p < 0.00001; Seq vs. qPCR, p < 0.0001; ASA vs. qPCR, p = 0.043; PTMaC: Seq vs. ASA-PCR, p = 0.026 and ASA vs. qPCR, p = 0.016).