Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right sided Port - A - Cath tip terminates in the upper SVC . Left - sided central venous catheter terminates in the proximal right atrium , unchanged . Lung volumes are low . Cardiac silhouette size is accentuated as a result of low lung volumes and is borderline enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .