Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . A right porta cath tip is in the low SVC . Visualized osseous structures are notable for chronic healed left fifth and seventh rib fractures .
    OUTPUT:
    
No acute cardiopulmonary process .