Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dual - lead pacemaker / ICD device appears unchanged . The heart is normal in size . The mediastinal and hilar contours appear unchanged . There are patchy linear opacities projecting over the left lower lung within the lingula suggesting minor atelectasis . There is no evidence for pleural effusion or pneumothorax . Mild hyperinflation is suspected . Small anterior osteophytes throughout the thoracic spine appear similar .
    OUTPUT:
    
Findings suggesting minor left basilar atelectasis ; otherwise unremarkable .