Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left AICD device is redemonstrated with a single lead terminating in the right ventricle . The heart is mildly enlarged . Hilar and mediastinal contours are normal . The lungs are clear without evidence of focal consolidations concerning for pneumonia . There is no pleural effusion or pneumothorax . No acute osseous abnormalities are seen .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .