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contentuptodate· Content· item f43_1_44062
©2013 UpToDate ® Print Email Left upper lobe bronchial atresia seen on a coronal CT image Coronal multiplanar reformat with mediastinal window settings shows the tubular hilar mass consistent with a mucoid impaction distal to the atretic bronchus. No evidence for an endobronchial tumor is seen, but tubular calcifications are seen in the mucoid impaction. Courtesy of Paul Stark, MD.