Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright PA and lateral radiograph of the chest . Lung volumes are slightly low , but there is no focal airspace consolidation . There is mild atelectasis at the left base and right infrahilar region . The cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . Surgical clips again project over the right breast and axilla .
    OUTPUT:
    
No acute cardiopulmonary abnormality detected .