Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and aortic valve repair . A left - sided dual - chamber pacemaker device is noted with leads terminating in the right atrium and right ventricle . Heart size is normal . The aortic knob is calcified . Mediastinal and hilar contours are unremarkable . Apart from minimal atelectasis in the lung bases , the lungs are clear without focal consolidation . There is no pulmonary edema . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .