Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Subtle opacity in the right infrahilar region as well as retrocardiac region is concerning for bronchopneumonia given the provided history . Atelectasis at the left lung base is mild . No edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is unchanged . Median sternotomy wires and mediastinal clips are also unchanged . The descending thoracic aorta is tortuous .
    OUTPUT:
    
Bilateral lower lobe bronchopneumonia . Repeat chest radiograph in ___ weeks to ensure resolution after treatment is recommended .