Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line tip ends in the lower SVC , unchanged since ___ . Bilateral lung volumes persistently remain low . Bibasal opacities could be a function of low lung volumes . Right hemidiaphragm is persistently elevated . Heart size is normal . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Right - sided PICC line is unchanged in position since prior radiographs and the tip ends in the lower SVC .