title: Excess risk of lymphomas, leukemia and myeloma in patients with rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007938:Leukemia / Q000150:complications*; D008223:Lymphoma / Q000150:complications*; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000150:complications*; D009369:Neoplasms / Q000150:complications