Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates in the distal right brachiocephalic vein , unchanged . Lung volumes are low . Cardiac and mediastinal contours are unchanged with the heart size appearing mildly enlarged . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . No acute osseous abnormality is visualized . A VP shunt catheter is seen within the anterior right chest wall .
    OUTPUT:
    
Right PICC tip terminating in the distal right brachiocephalic vein , unchanged .