History A 50-year-old man presented with sudden onset moderate central chest pain. He smokes 15 cigarettes a day and drinks around 10 pints of beer over each weekend. He has had no previous illnesses. Examination On examination, he looks well. His blood pressure is 164/90 but observations are otherwise normal.
Nothing abnormal is found on examination of respiratory, cardiovascular, abdominal and nervous systems. The electrocardiogram (ECG) is normal. A posterior–anterior (PA) chest radiograph is requested as part of the work up for the possible acute coronary syndrome. *This case is from Docplexus editorial team for educative purpose only Source: 100 Cases in Radiology - Burke, Christopher, Connolly, James, Thomas, Robert Stay connected, the answers will be posted in next 48h! What abnormality is present and where is it?