Bilateral hilar lymphadenopathy.
D003937:Diagnosis, Differential; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008477:Mediastinal Diseases / Q000175:diagnosis*; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D009362:Neoplasm Metastasis / Q000175:diagnosis*; D012507:Sarcoidosis / Q000175:diagnosis*; D014388:Tuberculosis, Lymph Node / Q000175:diagnosis*