Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is unchanged , borderline enlarged . The aorta remains tortuous . The mediastinal and hilar contours are normal . Previously noted asymmetric opacification in the right lung base has essentially resolved . The lungs are clear . Pulmonary vascularity is normal . Minimal fluid is noted within the fissures , unchanged . No sizeable pleural effusion or pneumothorax is present . There are mild degenerative changes in the thoracic spine .
    OUTPUT:
    
Previously noted right basilar opacification has resolved suggesting that the prior finding was likely due to asymmetric pulmonary edema . No acute cardiopulmonary abnormality .