Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC terminates at the SVC / brachiocephalic junction without evidence of pneumothorax . There are low lung volumes . Mild right base opacity may be due to atelectasis versus aspiration . Cardiac and mediastinal silhouettes are unremarkable . Midline tracheostomy noted .
    OUTPUT:
    
Right sided PICC terminates at the SVC / brachiocephalic junction without evidence of pneumothorax .