By the way, most PTC nodules showed more than 0.20% fractional abundance and the fractional abundance of the BRAF mutant allele in PTC (12.71 ± 1.54%) is higher than that in the other cytological categories (suspicious for PTC nodules: 0.37 ± 0.16%, benign nodules: 1.24 ± 0.66%, follicular adenoma: 0.07) (Figure 2, right; Table 4). This evidence concerns the gene BRAF and follicular thyroid adenoma.