CCDC6 and neoplasm: To date, besides the first CCDC6 fusion with the tyrosine kinase RET identified in papillary thyroid cancer [17,18], additional CCDC6 fusions have been reported with PDGFRb [19,20], PTEN [21], FGFR2 [22,23] ANK3 [24], and UBE2D1 [25] and with other genes in different tumor types [26].