Bilateral hilar lymphadenopathy.
D001706:Biopsy; D001984:Bronchial Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008199:Lymphadenitis / Q000209:etiology*; D008223:Lymphoma / Q000175:diagnosis; D008477:Mediastinal Diseases / Q000175:diagnosis*; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D009362:Neoplasm Metastasis; D011859:Radiography; D012507:Sarcoidosis / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014388:Tuberculosis, Lymph Node / Q000175:diagnosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis