Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear without focal consolidation or pneumothorax . There is no right pleural effusion . Blunting of the left costophrenic sulcus may represent a small effusion or pleural thickening . Heart size is normal . Mediastinal silhouette and hilar contours are normal . Minimally displaced fractures of the left second posterior and anterolateral third and fourth ribs are seen . The other known left rib fractures are not well visualized on this study . The left scapular fracture is again seen .
    OUTPUT:
    
1 . Left rib and scapular fractures as described above . 2 . Left pleural thickening or tiny effusion .