Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent marked enlargement of the cardiac silhouette . There is minimal blunting of the left costophrenic angle and a trace pleural effusion is not excluded . The mediastinal contours are stable with a calcified tortuous aorta . There is no overt pulmonary edema . No definite focal consolidation . There is no pneumothorax .
    OUTPUT:
    
Persistently enlarged cardiac silhouette . Possible trace left pleural effusion .