Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph demonstrates interval increase in mild to moderate pulmonary edema . The cardiac silhouette remains markedly enlarged , there is central venous engorgement widening the mediastinum . A small to moderate left pleural effusion is slightly increased . There is no pneumothorax .
    OUTPUT:
    
Slight interval increase in mild to moderate pulmonary edema , with a small to moderate left pleural effusion . The cardiac silhouette remains enlarged .