Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without confluent consolidation . There is no overt pulmonary edema or pleural effusions . Mild elevation of the left hemidiaphragm is of uncertain etiology . A densely calcified aorta is noted . The patient is status post CABG . Median sternotomy wires appear intact . The deformity of the anterior chest wall is likely due to prior sternal fracture . Exaggerated kyphosis of the thoracic spine is most severe near the thoracolumbar junction .
    OUTPUT:
    
No consolidation , edema , or pleural effusion