RTL1 and thyroid cancer: This region also comprises several copies of C/D small nucleolar RNAs (SNORDs) 112, 113 and 114, and the imprinted genes DLK1, RTL1, MEG3, MEG8 and DIO3. The TCGA portal (https://cancergenome.nih.gov) reveals a single patient with homodeletion of the entire 14q32 region without any additional information regarding heterozygosity in thyroid cancer.