Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is bibasilar atelectasis . No focal consolidation , pleural effusion or pneumothorax . Cardiomediastinal silhouette is stable . Dense mitral annular calcifications are noted . No acute osseous abnormalities identified . Median sternotomy wires are intact .
    OUTPUT:
    
No acute intrathoracic process .