Huaier Granules for Prevention of Recurrence and Metastasis of Colorectal Cancer Patients Following Radical Surgery

Inclusion Criteria: 1. Males or females ages 18-75 years; 2. The first time to the therapy of patients who received the radical surgery within two months, Postoperative histopathology confirms the diagnosis of colorectal cancer with stage IIB, IIC and III ( TNM classification) 3. ECOG score of 0-2; 4. No history of malignant tumors; 5. The patients are volunteered for the study, sign informed consent form and cooperate with Investigator to collect data. Exclusion Criteria: 1. Patients have basic diseases including heart diseases, cerebrovascular disease, lung disease, severe hypertension or diabetes with poor glycemic control; 2. confirmed infections after surgery ; 3. Patients who have post-surgery complications or who are currently under the influence of the radical surgery for colorectal cancer; 4. Being infected with syphilis or with other blood-borne infectious diseases; 5. Pregnancy or lactation; or women of childbearing potential not using contraception; 6. Patients who have taken Traditional Chinese Medicines with efficacy and indications similar to that of Huaier granule - including, but not limited to, compound Banmao capsule., Huachansu capsule, Kangai Injection and Pingxiao tablets; 7. Patients who are suffering from mental illness or Conditions that are considered not suitable for this study investigators.