Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are unchanged with mild tortuosity of the thoracic aorta again demonstrated . Atherosclerotic calcifications are noted at the aortic knob . The pulmonary vascularity is normal . Apart from subsegmental linear atelectasis in the left mid lung field , the lungs are clear without focal consolidation . Scattered calcified granulomas are noted in the left lung base . No pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .