Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded . A 4 mm nodule in the left lower lobe is unchanged since ___ . There is no focal consolidation , effusion or pneumothorax . A left - sided Port - A - Cath terminates at the cavoatrial junction . There are no new abnormal cardiac and mediastinal contours .
    OUTPUT:
    
No acute cardiopulmonary process .