title: Blast transformation in serosal cavities in idiopathic myelofibrosis.
mesh_terms: D001752:Blast Crisis / Q000473:pathology*; D005260:Female; D006411:Hematopoiesis, Extramedullary; D006801:Humans; D008875:Middle Aged; D055728:Primary Myelofibrosis / Q000473:pathology*; D012704:Serous Membrane / Q000473:pathology*