Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is unchanged . Lung volumes are slightly low . Mild bibasilar atelectasis and scarring is similar to the prior examination . There is no focal consolidation , pleural effusion , or pneumothorax . There is pulmonary venous engorgement but no pulmonary edema .
    OUTPUT:
    
Increased prominence of the hila and pulmonary vasculature likely represents increased pulmonary venous pressures however there is no frank pulmonary edema . No evidence of pneumonia .