Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post left mastectomy with implant and right axillary clips . Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . The lungs are clear . No pleural effusion or pneumothorax is identified . No pulmonary edema is demonstrated . Mild degenerative changes are noted within the imaged thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .