Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are within normal limits . The pulmonary vascularity is normal . Diffuse increased interstitial markings are similar when compared to the prior study and compatible with the patient 's known history of lymphangiomyomatosis . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities are visualized . Partially imaged is fusion hardware within the lumbar spine . Widening of the right acromioclavicular interval likely reflects remote trauma .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Chronic lung changes compatible with lymphangiomyomatosis .