Systemic mastocytosis.
D000368:Aged; D006529:Hepatomegaly / Q000150:complications; D006801:Humans; D015470:Leukemia, Myeloid, Acute / Q000150:complications*; D008297:Male; D013163:Splenomegaly / Q000150:complications; D014582:Urticaria Pigmentosa / Q000150:complications*