Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Right IJ access dialysis catheter seen with its tip in the low SVC near the cavoatrial junction . The lung volumes are low . There is mild left basal atelectasis . The heart size appears mildly enlarged . There is no pneumothorax .
    OUTPUT:
    
Dialysis catheter in place . Mild cardiomegaly . Mild left basal atelectasis .