Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate normal heart size . Stable appearance of the mediastinum with a large hiatus hernia . No focal consolidation or pneumothorax . Unchanged small bilateral plerual effusions . New mild pulmonary edema on top of patient 's baseline vascular congestion .
    OUTPUT:
    
Mild pulmonary edema on top of patient 's baseline vascular congestion . No pneumonia