Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Multiple clips are again noted within the anterior chest wall bilaterally compatible with prior mastectomies . Mild degenerative changes are seen within the thoracic spine with minimal loss of height of a mid thoracic vertebral body , unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .