Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal portable radiograph of the chest was acquired . There are new bilateral moderate pleural effusions . Compressive bilateral lower lung atelectasis is greater on the left . Infection or aspiration in either lung base can not be excluded . There is no pneumothorax . The heart is moderately enlarged . Aortic calcifications are seen . The mediastinal contours are normal . Surgical clips overlie the lateral aspect of the right hemithorax . Degenerative changes of the thoracolumbar spine are noted .
    OUTPUT:
    
1 . New bilateral moderate pleural effusions compared to prior radiograph from ___ . 2 . Bilateral lower lobe compressive atelectasis , left greater than right . Infection or aspiration pneumonitis at either lung base can not be excluded .