Rheumatoid arthritis and malignant histiocytosis of the intestine.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D005260:Female; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications*; D008206:Lymphatic Diseases / Q000150:complications*; D008297:Male; D008875:Middle Aged