Which department should the patient consult if he/she has enlarged lymph nodes? Generally speaking, it depends on the specific causes of enlarged lymph nodes, and different departments can be consulted. If lymphoma causes obvious enlargement and hyperplasia of cervical lymph nodes, superficial lymph nodes in inguinal area and axillary lymph nodes, patients should consult oncology department as soon as possible, and then choose suitable chemotherapy program as soon as possible through lymph node puncture biopsy or excision of lymph nodes to send pathological examination to make clear the pathology typing, and the patients with early stage of lymphoma can get better results through active chemotherapy treatment. Secondly, if the lymph node metastasis in the lesser curvature of stomach and greater curvature of stomach is caused by gastric malignant tumor, then it is necessary to consult gastrointestinal surgery, and it is recommended to improve the enhanced CT examination of upper abdomen to assess the invasion level of malignant tumor, and then carry out the radical treatment of gastric malignant tumor plus lymph node clearance as soon as possible, and chemotherapy can be given after the operation, and the majority of the patients can often achieve certain therapeutic effect.