Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is no focal consolidation , pleural effusion , or pneumothorax . Linear opacities at the left base are likely atelectasis . Cardiomediastinal silhouette is normal . The imaged upper abdomen is unremarkable . Bones are intact .
    OUTPUT:
    
No acute cardiopulmonary process .