Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . There are relatively low lung volumes . There is marked enlargement of the cardiac silhouette . Bibasilar opacities most likely relate to atelectasis , although underlying aspiration is not excluded . There is mild pulmonary vascular congestion . The aorta is tortuous . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
1 . Marked enlargement of the cardiac silhouette with mild pulmonary vascular congestion . Bibasilar opacities may be due to atelectasis , although underlying aspiration not excluded .