Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right approach Port - A - Cath terminates in the upper right atrium , unchanged from prior . A linear opacity within the peripheral left lung base is unchanged and likely reflects scarring . No new consolidation is identified to suggest pneumonia . There is no pulmonary edema or pleural effusions . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumonia .