Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show stable elevation of the left hemidiaphragm . A small left pleural effusion is new from the preceding radiograph . Mild bibasilar atelectasis is noted . The lungs are otherwise clear without focal consolidation or pneumothorax . No pulmonary vascular congestion or edema is present . The cardiac silhouette is top normal in size but unchanged . The mediastinal and hilar contours are within normal limits . Mild S - shaped thoracolumbar scoliosis is also unchanged .
    OUTPUT:
    
1 . Mild bibasilar atelectasis with a small left pleural effusion is new from ___ . No pneumonia . 2 . Borderline cardiomegaly .