FOXM1 and plasma cell myeloma: To analyze the 61 myelomas that harbored elevated FOXM1 at relapse in greater depth, we partitioned these cases in two arbitrary groups defined by median baseline expression levels of 19 microarray units (n = 46) and 85 units (n = 15), respectively, in newly diagnosed (ND) disease (Fig. 1c, black boxes with whiskers).