Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there is little change . Biapical fibrotic changes and mediastinal and hilar lymphadenopathy are stable , and compatible with the patient 's diagnosis of sarcoidosis . There is no new focal infiltrate to suggest pneumonia . There is no pleural effusion or pneumothorax . The heart size is normal .
    OUTPUT:
    
No evidence of pneumonia . Stable changes compatible with sarcoidosis .