Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , other than minimal left lower lobe atelectasis . There is no focal consolidation . Heart size is normal . There are no pleural effusions or pneumothorax . Multilevel degenerative changes in the thoracic spine . Ventriculoperitoneal shunt catheter is noted overlying the right hemithorax .
    OUTPUT:
    
No acute cardiopulmonary process .