Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac and mediastinal silhouettes are grossly stable given differences in patient position . Left basilar atelectasis / scarring is seen without definite focal consolidation no large pleural effusion or pneumothorax . No pulmonary edema . Chronic deformities of the bilateral shoulders and acromioclavicular joints
    OUTPUT:
    
No significant interval change .