Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bedside upright AP radiograph of the chest demonstrates a stable right - sided pleural effusion and interval increased moderate - sized left - sided pleural effusion when compared to the prior studies from ___ . Bilateral lower lobe atelectasis , unchanged . There is no pneumothorax . Stable widening of the mediastinum and cardiac silhouette is unchanged . Intact sternotomy cerclage wires are once again seen .
    OUTPUT:
    
1 . The moderate left pleural effusion is larger . The small right effusion is unchanged . 2 . Stable bilateral lower lobe atelectasis . If the patient has infectious symptoms , pneumonia at the lung bases can not be fully excluded .