Chest radiograph of a 60 year old man, with rheumatoid arthritis and progressive dyspnoea, showing signs of fibrosing alveolitis with basal volume loss and reticular opacities, more pronounced on the right (courtesy of Dr H Booth). Chest radiograph of a 60 year old man, with rheumatoid arthritis and progressive dyspnoea, showing signs of fibrosing alveolitis with basal volume loss and reticular opacities, more pronounced on the right (courtesy of Dr H Booth). A G Rockall et al. Postgrad Med J 2001;77:621-638 Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.