Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pulmonary nodular infiltrates and interstitial opacities are improved since prior exam . There is linear band of atelectasis at the right lung base . . Trace fluid right pleural effusion or thickening is improved since prior . Left pleural effusion has resolved . Shallow inspiration accentuates heart size , pulmonary vascularity . No pneumothorax . Percutaneous tubes in the upper abdomen . Stable compression fractures .
    OUTPUT:
    
Improved pulmonary infiltrates since prior .