Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dialysis catheter terminates in the mid SVC . New linear opacity projecting over the right mid lung likely corresponds to a fluid in the minor fissure . Lung volumes are low . New partial obscuration of the left hemidiaphragm may be due to subsegmental atelectasis , but infection or aspiration would be difficult to exclude in the appropriate clinical setting . There is no pneumothorax .
    OUTPUT:
    
New partial obscuration of the left hemidiaphragm may be due to subsegmental atelectasis , but infection or aspiration would be difficult to exclude in the appropriate clinical setting .