A3 1–31 Mb included all genes comprised in a gene signature of 18 genes (i.e. TPX2, DLGAP4, DSN1, RBL1, FAM83D, MYBL2, PABPC1L, UBE2C, CTSA, MMP9, SULF2, CSE1L, SALL4, ZNF217, PFDN4, AURKA, RAE1, and PMEPA1) associated with poor prognosis in many human cancer types51. The gene discussed is MMP9; the disease is cancer.