Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The mediastinal contour is unchanged . Perihilar haziness and vascular indistinctness is compatible with mild pulmonary edema , not substantially changed in the interval . No large pleural effusion or pneumothorax is seen . Previously noted peripheral opacity in the right lung base continues to improve . Atelectatic changes are re - demonstrated in the lung bases . No acute osseous abnormality is visualized .
    OUTPUT:
    
Mild pulmonary edema , not substantially changed in the interval . Continued interval improvement in previously seen peripheral right basilar opacity .