Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-erect AP portable view of the chest was obtained . No evidence of free air is seen beneath the diaphragms . The cardiac silhouette is top normal . Mediastinal and hilar contours are unremarkable . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen .
    OUTPUT:
    
No evidence of free air beneath the diaphragms .