Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . Left lower lung streaky opacities most likely represent atelectasis . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Lingular atelectasis or pneumonia . If the clinical findings do not conform to pneumonia CT scanning would be indicated to detect an endobronchial bleeding source . Dr ___ notified by email .