Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the chest radiographs obtained 6 days prior , no significant changes are appreciated . Lungs are fully expanded and clear without consolidations or effusions . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . Pleural surfaces are normal . A left - sided port central venous catheter terminates in the lower SVC .
    OUTPUT:
    
No radiographic evidence of pneumonia or other significant cardiopulmonary abnormalities .