Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal silhouettes are stable with the cardiac silhouette quite enlarged . Other may be mild vascular congestion . No overt pulmonary edema is seen . No focal consolidation . Slight blunting of the right costophrenic angle is felt to more likely due to atelectasis and a trace pleural effusion . Partially imaged aortic stent graft noted but not well evaluated on this study .
    OUTPUT:
    
Stable enlargement of the cardiac silhouette . Possible mild vascular congestion without overt pulmonary edema .