Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is present . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . There are minimal patchy opacities in lung bases likely reflective of atelectasis . No focal consolidation is present . Fixation hardware within the left proximal humerus is incompletely imaged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .