Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small bilateral pleural effusions . Mild bibasilar atelectasis . Otherwise , the lungs are clear , without focal consolidation or pulmonary edema . No pneumothorax . Stable mild cardiomegaly . The mediastinal contours , hila , and pleura are unchanged . No pneumoperitoneum .
    OUTPUT:
    
1 . Stable , small bilateral pleural effusions and mild bibasilar atelectasis compared to ___ . 2 . No pneumonia .