Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . This accentuates the cardiac silhouette size which is top normal . Mediastinal and hilar contours are unremarkable . There is no pulmonary vascular congestion . Mild crowding of the bronchovascular structures is noted . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Partially imaged are distended loops of bowel within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .