Rheumatoid arthritis: Complications - MayoClinic.comRheumatoid arthritis — Comprehensive overview covers signs, symptoms and treatment of this inflammatory arthritis.Arthritis: Complications - MayoClinic.comArthritis — Comprehensive overview covers arthritis symptoms, arthritis treatment and types of arthritis.Rheumatoid Arthritis Complications and Effects on the BodyWebMD examines possible complications of RA and the effects they can have on the body, including the eyes and lungs, and susceptibility to other autoimmune diseases.