To evaluate the efficacy and safety of Huaier granules for Prevention of Recurrence and Metastasis of colorectal cancer patients following radical surgery

This is a multisite, open-label, prospective study investigating Huaier Granule for Prevention of Recurrence and Metastasis of colorectal cancer patients following radical surgery，to evaluate the efficacy and safety.

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.

Colorectal cancer patients after radical surgery