Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild enlargement of cardiac silhouette . The thoracic aorta is mildly tortuous with calcifications noted at the aortic knob . Perihilar haziness with vascular indistinctness is compatible with mild interstitial pulmonary edema . The lungs appear somewhat hyperinflated with flattening of the diaphragms . The costophrenic sulci posteriorly appear blunted suggesting small bilateral pleural effusions . No pneumothorax is present . Extensive degenerative changes are noted within the glenohumeral and acromioclavicular joints bilaterally . Mild degenerative changes are also seen within the thoracic spine .
    OUTPUT:
    
Mild interstitial pulmonary edema with probable trace bilateral pleural effusions .