title: Richter's syndrome in a patient with B prolymphocytic leukemia.
mesh_terms: D006801:Humans; D015448:Leukemia, B-Cell / Q000150:complications*; D015463:Leukemia, Prolymphocytic / Q000150:complications*; D008223:Lymphoma / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013577:Syndrome