Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views of the chest demonstrate an enlarged cardiac silhouette , somewhat increased compared to the most recent chest radiograph . The mediastinum is within normal limits . There is vascular congestion without frank pulmonary edema . There is no pneumothorax or large pleural effusion . A small left pleural effusion may be present .
    OUTPUT:
    
Vascular congestion without frank pulmonary edema .