Many clinical diseases can present with hilar lymph node enlargement, such as tuberculosis, pneumonia, lung tumor, etc. When a patient has enlarged hilar lymph nodes on chest radiograph or lung CT, it is necessary to further improve relevant examinations to clarify the diagnosis and take appropriate treatment according to the diagnosis: 1. If the patient has swollen hilar lymph nodes due to pulmonary tumor, surgery, radiotherapy, chemotherapy, etc. can be given according to the condition.