Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Nodular opacities within the lingula and left lower lobe are similar in appearance when compared to the prior chest radiograph accounting for differences in technique . Additional patchy opacity within the left lung base is not significantly changed in the interval , and may reflect a combination of atelectasis and or scarring . No new focal consolidation , pleural effusion or pneumothorax is identified . Percutaneous gastrostomy catheter is partially imaged .
    OUTPUT:
    
Relatively similar appearance of left basilar rheumatoid nodules . No new focal consolidation identified .