Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval improvement in interstitial edema . Small bilateral effusions . Suture lines are noted in the region of the left upper hemithorax . The opacity in the right upper lobe corresponds to the mass demonstrated better on recent CT . No pleural effusion , pulmonary edema , or focal consolidation to suggest pneumonia . Stable cardiomediastinal silhouette . Incidental atherosclerosis in the left anterior descending artery . Stable post - sternotomy changes .
    OUTPUT:
    
1 . Interval improvement interstitial edema . 2 . Stable small bilateral effusions . 3 . Stable chronic changes which are followed on CT .