Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right subclavian approach dialysis catheter is again noted with tip terminating in the right atrium . A left subclavian vein stent is visualized projecting over the left lung apex . Moderate cardiomegaly is again visualized . The mediastinal and hilar contours are unremarkable . There is no pneumothorax or large pleural effusion . Lung volumes are slightly low without focal consolidation concerning for pneumonia . There is no overt pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process .