Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are provided . Lung volumes are low . There is a left upper extremity PICC line with its tip residing in the low SVC . Lung volumes are low . No large consolidation , effusion , or pneumothorax is seen . The heart and mediastinal contours are normal . Bony structures are intact .
    OUTPUT:
    
PICC line positioned appropriately . Otherwise , unremarkable .