Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath again seen with catheter tip in the upper right atrium . The lungs are clear of consolidation , effusion or edema . The cardiomediastinal silhouette is within normal limits . Tortuosity of the thoracic aorta is noted with atherosclerotic calcifications at the aortic arch . Median sternotomy wires and mediastinal clips are noted . No acute osseous abnormalities . Presumably biliary stent identified in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .