One year after surgery, CEA37μg/L and other normal should be immediately improved to exclude the risk of tumor recurrence. CEA, carcinoembryonic antigen, is a broad-spectrum tumor marker. Although it cannot be used as a specific indicator for diagnosing certain malignant tumors, it still has important clinical value in differential diagnosis of malignant tumors, monitoring of disease conditions, and evaluating the efficacy of treatment. CEA37μg/L one year after surgery suggests that there may be a risk of tumor recurrence or metastasis, you should immediately cooperate with your doctor to continue to improve the examination and find out the cause, if the tumor recurrence or metastasis, you can be advised by your doctor to carry out radiotherapy, chemotherapy, biotherapy and so on, to control further growth and spread of the tumor. After tumor resection, you need to go to the hospital regularly to check the tumor markers, etc. If there is any abnormality, you should not be overly anxious, and actively cooperate with the doctor for further treatment to slow down the spread of the tumor and improve the quality of life after the operation.