Study on Early Auxiliary Diagnosis and Postoperative Recurrence Monitoring of Breast Cancer

Inclusion Criteria

• •Women between the ages of 18 and 80 who are not pregnant or lactating; Meet any of the following categories:
• •1. Breast cancer Newly diagnosed breast cancer patients \[according to breast cancer TNM staging\]; The patient was not accepted prior to blood collection Any breast cancer antitumor related treatment, including surgery, transplantation, radiation, chemotherapy, etc.
• •2. precancerous lesions Dysplasia, carcinoma in situ, atypical hyperplasia, etc., no previous history of malignant tumor.
• •3. Benign lesions These include fibroadenoma of the breast, intraductal papilloma of the breast, cystic hyperplasia of the breast, lobulated tumors of the breast, Plasma cell mastitis.
• •4. Healthy people No abnormal breast, no history of malignancy within 5 years; Age 50 years or above.
• •1. Patients with definite pathological diagnosis of breast cancer who were to receive radical surgery after preoperative evaluation for initial treatment
• •2. Women aged between 18 and 80 who are not pregnant or lactating;
• •3. The radical surgery to be received includes mastectomy radical surgery, simple excision + sentinel lymph node biopsy and modified radical surgery, and on this basis, mastectomy plastic surgery, stage I reconstruction and other operations that have the same radical treatment effect and do not affect the entire standardized treatment of patients
• •4. Enrolled patients were newly treated breast cancer patients without prior malignant tumor history and treatment history