HDAC1 (p = 0.05), HDAC3 (p = 0.02), the second probe of HDAC5 (p = 0.04) and of HDAC7 (p = 0.03), and HDAC8 (p = 0.004), were increased in tumours with 8q gain, while HDAC11 was decreased (p = 0.002). The gene discussed is HDAC5; the disease is neoplasm.