In this report, we describe the unique occurrence of t(7;11)(p15;p15) and NUP98/HOXA9 fusion in a patient with chronic myelomonocytic leukemia, and suggest that the genetic lesion may involve multipotential myeloid stem cells..     ///    Chronic myelomonocytic leukemia with t(7;11)(p15;p15) and NUP98/HOXA9 fusion.. 