Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right subclavian line ends at the cavoatrial junction . There are diffuse mainly basilar alveolar opacities that may represent moderate pulmonary edema . The pulmonary edema has slightly decreased . Heart size is normal . Mediastinum is not widened . No pneumothorax , likely small left pleural effusion .
    OUTPUT:
    
Slight decrease in moderate pulmonary edema .