Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . The lungs are clear without evidence of focal consolidations concerning for pneumonia . Small mid thoracic anterior osteophyte is unchanged compared to the prior study . No large pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .