Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip is in the azygos as seen on the prior radiograph . Cardiac , mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Minimal streaky opacity in the left lower lobe is similar compared to the prior study and reflective of atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . Clips from prior cholecystectomy are demonstrated in the right upper quadrant , and an additional surgical clip is seen in the left upper quadrant .
    OUTPUT:
    
Port -A - Cath tip remains within the azygos vein . Left lower lobe atelectasis .