Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of left pectoral pacemaker with pacer leads in the right atrium and right ventricle . Mild atelectasis in the lingula . No focal consolidation . No pleural effusion or pneumothorax is seen . Bilateral hemidiaphragms flat and and lateral view suggestive of hyper inflated lungs The cardiac and mediastinal silhouettes are unremarkable . Degenerative changes noted in the thoracic spine with anterior endplate spurring .
    OUTPUT:
    
Pacer leads in expected positions with no evidence of pneumothorax . Mild atelectasis in lingula . Hyperinflated lungs .