Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter seen with tip in the upper right atrium and could be retracted by 2 cm for positioning in the SVC . Lungs are clear noting that the right costophrenic angle is excluded from the field of view PA . There is no pneumothorax . The cardiomediastinal silhouette is normal . No acute osseous abnormalities .
    OUTPUT:
    
Right - sided central venous catheter tip in the right atrium . If retracted 2 cm would be in the lower SVC .