Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Both lungs are well expanded and clear . No evidence of mediastinal and hilar lymphadenopathy . No findings concerning for pulmonary sarcoidosis . Heart size , mediastinal and hilar contours are normal . There is no pleural abnormality .
    OUTPUT:
    
No radiographic evidence of pulmonary sarcoidosis .