If the lymph grows again a few months after chemotherapy, it may be because the tumor recurs again or there is an inflammatory reaction caused by infection, and this situation needs timely medical treatment. 1. Tumor recurrence. Generally speaking, this case is difficult to be cured and the disease progresses rapidly, so it is necessary to carry out a comprehensive examination in time, and you can choose to carry out PET-CT examination to determine the location, size and degree of lymphatic hyperplasia, and then choose the appropriate treatment, such as chemotherapy drugs cisplatin, etc., to carry out diagnosis and treatment. 2. There is an inflammatory reaction produced by infection. It takes some time for the body to recover after chemotherapy, and at this time, the patient’s immunity is poor, which may produce infection. When the body produces infection, whether acute or chronic infection, may make the lymph nodes enlarged, at this time you need to timely anti-inflammatory treatment, follow the doctor’s instructions for the use of antibiotics or antiviral drugs, such as ceftazidime or acyclovir and so on. The use of the above drugs should be under the guidance of specialized doctors. After chemotherapy, you should have regular checkups, and if there are abnormalities such as enlarged lymph nodes, you should consult a doctor in time to improve the examination and make a clear diagnosis.