Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes without pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . The heart is mildly enlarged , increased since prior . There is pulmonary vascular congestion .
    OUTPUT:
    
Mild cardiomegaly , increased since prior exam with pulmonary vascular congestion .