Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine chest radiograph was provided . The lungs are well expanded . There is no focal consolidation , pleural effusion or pneumothorax . There is a stable calcified density in the left hilum . The cardiomediastinal silhouette is normal . The bones are intact . A clip is present in the superior mediastinum . The imaged upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .