Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest wall port catheter tip terminates at the cavoatrial junction . There is no focal consolidation , pleural effusion or pneumothorax . Mild pulmonary vascular congestion has improved since the prior study . The imaged upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .