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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f11_55_12159

©2013 UpToDate ® Print Email Bronchial atresia in adult with incidental left lower lobe nodule A CT scan of lower chest shows a left lower lobe nodule with surrounding halo of hyperlucency. The nodule represents mucoid impaction in the posterobasal segment of the left lower lobe with air-trapping in the surrounding lung. Courtesy of Paul Stark, MD.