A Bidirectional Study in Exploring the Dynamic Changes of Plasma and Urine Metabolites of Nasopharyngeal Carcinoma.

Exclusion Criteria

• •1. People who have a history of non research related liver diseases or other diseases known to affect blood metabolism (except for controlled type II diabetes);
• •2. Have a history of other malignant tumors, except for fully treated basal cell carcinoma or squamous cell carcinoma and cervical carcinoma in situ;
• •3. Diseases requiring long-term use of immunosuppressive drugs (including steroids), including but not limited to congenital or acquired immunodeficiency diseases or active central nervous system metastatic cancer, active infection or uncontrolled heart disease;
• •4. Suffer from other uncontrolled serious diseases at the same time, such as unstable heart disease requiring treatment, diabetes with unsatisfactory control (fasting blood glucose\>1.5 × Upper limit of normal value), mental illness and severe allergic history.
• •5. BMI is less than 18 or more than 25. -