Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , cardiomediastinal silhouette and hila are normal . The pulmonary arteries are slightly prominent or granulomatous lymph node calcifications causing sligthly prominent hila . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiothoracic process .