Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is a band - like opacity in the left mid lung which is most compatible with atelectasis , though the possibility of a focal pneumonia is impossible to exclude . Otherwise , the lungs are clear . No pleural effusion or pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact . There is no displaced rib fracture . The scapulae are suboptimally assessed , though no abnormality is detected .
    OUTPUT:
    
Band - like opacity in the left mid lung is most compatible with atelectasis , though pneumonia can not be entirely excluded . Please correlate clinically .