Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary vascular congestion is new . Slight enlargement of the cardiac silhouette . Mild apical scarring . Mild opacities in the right lower and left lower lobes likely atelectasis , although difficult to exclude consolidation in the absence of a lateral film . No pleural effusion no pneumothorax .
    OUTPUT:
    
Mild pulmonary vascular congestion . Mild opacities in the right lower and left lower lobes likely atelectasis , although difficult to exclude consolidation in the absence of a lateral film .