Cancer and arthritis.
D001168:Arthritis / Q000150:complications*; D003882:Dermatomyositis / Q000150:complications; D006073:Gout / Q000209:etiology; D006801:Humans; D007938:Leukemia / Q000150:complications; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D008223:Lymphoma / Q000150:complications; D009101:Multiple Myeloma / Q000150:complications; D009369:Neoplasms / Q000150:complications*; D010005:Osteoarthropathy, Secondary Hypertrophic / Q000209:etiology; D012595:Scleroderma, Systemic / Q000150:complications; D012859:Sjogren's Syndrome / Q000150:complications; D013167:Spondylitis, Ankylosing / Q000150:complications