Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a left axillary stent . Lung volumes are low , and the cardiac silhouette is enlarged . There is mild central vascular congestion , and small pleural effusions are noted . No focal consolidation or pneumothorax is seen .
    OUTPUT:
    
Cardiomegaly with mild central vascular congestion . Small bilateral pleural effusions .