<prompt> Answer this question truthfullyHow is a chest x-ray significant in the diagnosis of pneumoconiosis?  <response>: <reason> An x-ray may be helpful in the diagnosis of pneumoconiosis. Findings on an x-ray suggestive ofdiagnostic of pneumoconiosis include: Pleural plaques are pathognomonic for asbestosis. Interstitial nodules in the upper zone of the lungs for both silicosis and coal workers pneumoconiosis. Progressive massive fibrosis is seen in both silicosis and coal workers pneumoconiosis. Hilar adenopathy with ground glass opacities is seen in berylliosis.Asbestosis with pleural plaques - Case courtesy of Dr Hani Makky Al Salam, Radiopaedia.org. From the case rID: 45002 Silicosis with nodules Pneumoconiosis with massive pulmonary fibrosis - Case courtesy of Dr Ian Bickle, Radiopaedia.org. From the case rID: 50303 