Rheumatoid flatfoot.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D005260:Female; D005413:Flatfoot / Q000209:etiology*; D006801:Humans; D008297:Male; D008683:Metatarsophalangeal Joint; D013585:Synovitis / Q000150:complications; D013640:Tarsal Joints; D014033:Toe Joint