Ph-negative chronic myelocytic leukemia with a complex translocation involving chromosomes 7 and 11

A complex translocation t(7;11)(7qter----7p15::11q13----11qter;11pter ----11p15::11q13----11p15::7p15----7pter) was detected in the leukemic cells from a 67-year-old woman with Ph chromosome negative chronic myelocytic leukemia. This translocation has not been previously reported in Ph-negative CML.