Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Right IJ access dialysis catheter again seen with its tip in the region of the low SVC . Lungs are clear . There is no focal consolidation , effusion , or pneumothorax . No signs of congestion or edema . No signs of pneumomediastinum . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact .
    OUTPUT:
    
No acute intrathoracic process . Dialysis catheter positioned appropriately .