Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded and clear . Minimal right infrahilar opacity is not correlated on the lateral radiograph and likely reflects summation of shadows . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . Mild deformity of the left chest wall is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .