TET2 and breast cancer: The rs9790517 SNP, c.1085_1086insT (insertion), c.2072delC (deletion), c.3646C>T, c.4361_4362insG (insertion), and c.3812_3820delGCGCCTGTC (deletion), loss-of-function variants (changes in coding region or CDS), as well as theirs changes at protein level (ID: p.Pro363SerfsTer6, p.Thr691MetfsTer9, p.Arg1216Ter, p.Arg1455GlnfsTer23, and p.Cys1271_Gln1274delinsTer) have been identified in the TET2 gene in the familial breast cancer families group from the Australian population.