Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . The lungs are clear aside from bibasilar atelectasis . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . Again seen is a metallic bullet fragment in the soft tissues of the back . An IVC filter is incompletely imaged .
    OUTPUT:
    
No acute cardiopulmonary process .