Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , the cardiomediastinal silhouette and hila are normal . There is only mild cardiomegaly . There is no vascular congestion or pulmonary edema . Right axilla / chest wall surgical clips are seen at . Sternotomy wires are intact .
    OUTPUT:
    
No acute cardiothoracic process .