title: Richter transformation of the ileum presenting with gastrointestinal bleeding.
authors.affiliation: Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida.
authors.forename: Victoria
authors.initials: V
authors.lastname: Gómez
authors.forename: John C
authors.initials: JC
authors.lastname: Cheville
authors.forename: Todd H
authors.initials: TH
authors.lastname: Baron
mesh_terms: D000368:Aged; D018951:Antigens, CD20 / Q000032:analysis; D000970:Antineoplastic Agents / Q000627:therapeutic use; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D007078:Ileal Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D007082:Ileum / Q000473:pathology*; D007150:Immunohistochemistry; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D008297:Male; D008853:Microscopy
chemical_list: D018951:Antigens, CD20; D000970:Antineoplastic Agents