Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear , without focal infiltrates or vascular congestion . The heart is normal in size . The aorta is moderately widened and elongated and additionally , there are calcifications at the level of the arch , unchanged in comparison with next preceding study . There is mild biapical thickening of the pleural structures , also unchanged . No significant skeletal abnormalities can be identified on routine PA and lateral radiographs are identified . No pleural effusion or apical pneumothorax is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Findings overall unchanged since most recent chest radiograph in ___ .