Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable , with the cardiac silhouette mildly enlarged . . The right subclavian / brachiocephalic stent appears grossly unchanged . The bones are noted to be somewhat sclerotic ; on prior imaging , thought to be related to renal osteodystrophy .
    OUTPUT:
    
No acute cardiopulmonary process .