Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate scoliosis and kyphosis . Mild pulmonary edema with small to moderate left and small right pleural effusion . The retrocardiac opacity is probably a combination of atelectasis and pleural effusion , but could hide pneumonia . Right lower lobe opacity also likely atelectasis . Mild cardiomegaly . Moderate hiatal hernia .
    OUTPUT:
    
Mild pulmonary edema with moderate bilateral effusions atelectasis in the lung bases . Left lower lobe atelectasis or pneumonia .