Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no focal consolidation , effusion or pneumothorax . Extensive calcifications of the thoracic aorta and its branches are unchanged . A left subclavian stent is in stable position . Mild cardiomegaly is stable . A previously seen right mid lung pulmonary nodule is not appreciated on this exam .
    OUTPUT:
    
No acute cardiopulmonary process .