Objective:1. Find γδT cells in breast tumor-infiltrating lymphocytes and peripheral blood PBMC By flow cytometry method;2. analyze the relationship between γδT cells and clinical pathologic factors.3. Preliminary Explore the secretion of IL-17 in human breast cancer.Methods:We collected 41 breast cancer patients with fresh human breast cancer tissue specimens, and their normal breast tissue specimens and blood samples. 30 normal human peripheral blood samples were collected too. Extracted the lymphocytes in...