MCM4 and acute lymphoblastic leukemia: For example, the known fusion ST3GAL1 − NDRG1 (CDS-truncated) was detected only in ALL 542-PA (5 spanning reads), the MCM4-PRKDC (UTR-intronic) only in ALL 542-RD (3 spanning reads), PQLC1-CTDP1 (6 spanning reads) and ARL17A-KANSL1 (4 spanning reads) only in AML 800-RD (Additional file 3: Figure S8).