Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky opacities at the left lung base are seen on the frontal view , with no definite correlate on the lateral view . This most likely represents atelectasis . No other focal consolidation . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No evidence of lobar pneumonia .