Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded and clear . There is no focal consolidation , effusion , or pneumothorax . Streaky left basilar opacity is most suggestive of minor atelectasis . Cardiac and mediastinal contours are normal . Surgical clips project over the thyroid bed . Aortic calcifications are mild .
    OUTPUT:
    
No acute cardiopulmonary process .