Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small to moderate pleural effusion is seen at the base of left lung as well as a very small pleural effusion seen on the right , which are new since CT exam on ___ . Opacities at the base of the right lung could represent early dependent edema or atelectasis . The cardiomediastinal silhouette and hilar contours are unchanged . There is no evidence of pneumothorax .
    OUTPUT:
    
1 . Small to moderate pleural effusion on the left and very small pleural effusion on the right . 2 . No evidence of pneumonia .