Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . There is a nodular focus projecting over the left lower lung suggesting a nipple shadow . Otherwise , the lung fields appear clear .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary disease . 2 . Nodular focus at the base of the left chest , which is probably due to a nipple shadow . However , repeat PA view without on with nipple markers is suggested in order to confirm . An email regarding the follow - up recommendation was sent to the ED QA nursing group .