Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous and diffusely calcified . Mediastinal and hilar contours are otherwise unchanged . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is visualized . Right humeral prosthesis is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .