Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . Previously seen bilateral pleural effusions have resolved . The hilar and pleural surfaces are unremarkable . The heart size is top - normal in size . A partially visualized pigtail catheter projecting over the left renal shadow is again noted .
    OUTPUT:
    
No acute cardiopulmonary process .