Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . Mediastinal and hilar contours are within limits . Pulmonary vasculature is not engorged . Lung volumes are slightly low with mild atelectasis seen in the lung bases . No focal consolidation , large pleural effusion or pneumothorax is present . No acute osseous abnormalities detected .
    OUTPUT:
    
Mild cardiac enlargement . No evidence for pulmonary edema , large pleural effusion , or pneumonia .