Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe cardiomegaly with central pulmonary vascular congestion . There is unfolding of the thoracic aorta with calcifications along the knob . Lung volumes are low . There is mild interstitial edema . Lungs are grossly clear . Bilateral pleural effusions are small . There is no pneumothorax .
    OUTPUT:
    
Severe cardiomegaly with central pulmonary vascular congestion , mild interstitial edema and small bilateral pleural effusions .