Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Left upper extremity PICC line is again seen with its tip in the upper SVC region . A metallic density in the left axilla likely represents a foreign body , unchanged from ___ . The lungs remain clear bilaterally without focal consolidation effusion or pneumothorax . Sclerotic density over the left hemidiaphragm likely reflects calcified costal cartilage . Heart and mediastinal contours appear stable . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process PICC line positioned appropriately .