Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . There is bilateral hilar enlargement and mediastinal lymphadenopathy which could be compatible with sarcoidosis versus infection versus malignancy . No focal consolidations , pleural effusions , or pneumothorax are seen . A
    OUTPUT:
    
Bilateral hilar enlargement and mediastinal lymphadenopathy which could be compatible sarcoidosis though an infectious or malignant etiology can not be excluded .