Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate consolidation in the right middle lobe , which may represent atelectasis , however aspiration or pneumonia could be considered in the appropriate clinical setting . The cardiomediastinal silhouette is unchanged . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Consolidation in the right middle lobe may represent atelectasis , or pneumonia .