Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A left upper extremity PICC line is seen extending into the distal left brachiocephalic vein . Lung volumes are markedly low . The heart is stably enlarged . There is no overt evidence for pneumonia or CHF . No large effusion or pneumothorax is seen . Bony structures appear grossly intact .
    OUTPUT:
    
Limited , negative . Left upper extremity PICC line terminates in the distal left brachiocephalic vein .