Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Lung volumes are markedly low limiting assessment . Overlying EKG leads are present . Again noted is a right upper extremity PICC line with its tip in the region of the low SVC . Allowing for study limitations , no definite focal consolidation , large effusion or pneumothorax . No overt signs of CHF . Heart size is difficult to assess . Bony structures are intact .
    OUTPUT:
    
Limited , negative . PICC line terminates in the low SVC .