Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . There is mild elevation of the left hemidiaphragm which is unchanged . Streaky opacity in the left lower lung with associated volume loss may represent atelectasis . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Left lower lobe streaky atelectasis otherwise unremarkable .