Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is present . The aortic knob is calcified . Mediastinal and hilar contours appear unchanged . Moderate pulmonary edema is slightly worse in the interval . There are increased bilateral lower lobe opacities , likely reflective of worsening atelectasis , with moderate to large right and small to moderate size left pleural effusions , increased in size compared to the previous study . No pneumothorax .
    OUTPUT:
    
Worsening opacities within the lung bases , most compatible with worsening atelectasis . Slight interval worsening of moderate pulmonary edema and increased size of bilateral pleural effusions .