Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the chest radiograph obtained 5 days prior , there is been interval removal of a right - sided IJ central venous catheter and improvement in retrocardiac atelectasis . There is unchanged hyperinflation . The lungs are otherwise clear without focal consolidation or pulmonary nodules . The cardiomediastinal and hilar silhouettes are normal . Pleural surfaces are normal .
    OUTPUT:
    
No radiographic evidence of pneumonia or acute cardiopulmonary abnormalities .