Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is small left lower lobe consolidation . There is no effusion or pneumothorax . There is mild pulmonary vascular congestion and streaky left basilar atelectasis . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Small left lower lobe consolidation likely represents pneumonia .