Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: At least two small calcified nodules in the right upper lobe , stable since ___ . Mild left lower lobe atelectasis . Cardiomediastinal and hilar contours are normal . No pleural effusions or pneumothorax .
    OUTPUT:
    
Mild left lower lobe atelectasis . Right upper lobe nodules stable since ___ .