t(12;22;20)(q13;q12;q11)

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A complex cytogenetic abnormality that refers to a chromosomal translocation involving the long arm (q13) of chromosome 12, the long arm (q12) of chromosome 22 and the long arm (q11) of chromosome 20. It is associated with the expression of EWSR1/DDIT3 fusions and myxoid liposarcomas.