Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are symmetrically well expanded and well aerated without focal consolidation , pleural effusion or pneumothorax . No pulmonary vascular congestion or overt pulmonary edema is seen . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . The trachea is midline . No acute displaced rib fractures are detected . The vertebral body heights are preserved in the visualized thoracic spine .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No acute displaced rib fractures .