title: Gastrointestinal bleeding due to large bowel infiltration by chronic lymphocytic leukaemia.
abstract: A 66 year old woman with a 9 year history of chronic lymphocytic leukaemia developed intermittent rectal bleeding for 9 months; sigmoidoscopic biopsy proved that this was due to large bowel infiltration by leukaemia. This is a very rare occurrence.
mesh_terms: D000368:Aged; D003108:Colonic Diseases / Q000209:etiology*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications*; D012002:Rectal Diseases / Q000209:etiology*