Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky left lower lobe opacities may be due to atelectasis more likely versus aspiration or less likely infection . No definite focal consolidation is seen on the right . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette enlarged . .
    OUTPUT:
    
Streaky left lower lobe opacities most likely relate to atelectasis or aspiration rather than infection .