Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pneumothorax , pleural effusion or focal airspace consolidation to suggest pneumonia . Midline sternotomy wires and CABG ___ are noted . Clips are noted in the abdomen . The lumbar peritoneal shunt is noted in the left upper quadrant . There are mild degenerative changes of thoracic spine marked by anterior osteophytosis .
    OUTPUT:
    
No acute cardiopulmonary process .