Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . There is mild bibasilar atelectasis . Blunting of the left costophrenic angle is likely secondary to pleural thickening , as seen on prior CT . Heart and mediastinal contours are stable with rightward shift of the trachea secondary to enlarged left lobe of the thyroid , as seen previously . The aorta is tortuous and calcified .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .