IL17B and cancer: The region between 61 and 63 Mb contains Apcdd1 (Adenomatosis polyposis coli down-regulated 1), which is regulated by the beta-catenin/TCF complex and its high expression contributes to the colorectal tumorigenesis [34], as well as Il17b (interleukin 17B), involved in lung tumors and metastases [35, 36] and Csf1r (colony-stimulating factor 1 receptor) that has been considered as a target in cancer therapy [37].