Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains moderately enlarged , as seen previously . The mediastinal contour is unchanged . There is mild interstitial pulmonary edema , perhaps slightly worse in the interval with small bilateral pleural effusions . Minimal atelectasis is noted in the lung bases without focal consolidation . No pneumothorax . Cervical spinal fusion hardware is incompletely assessed .
    OUTPUT:
    
Mild interstitial pulmonary edema and small bilateral pleural effusions .