Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pleural effusion , pneumothorax or focal airspace consolidation . Heart size is normal . The mediastinal and hilar structures are unremarkable . The pulmonary vascularity is normal . A right double - lumen dialysis catheter terminates in the right atrium .
    OUTPUT:
    
No acute cardiopulmonary process .