breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients diagnosed with invasive ductal carcinoma who underwent preoperative biopsy; 2. Patients with AJCC stage T1-2N0-1 at initial diagnosis; 3. Patients with unilateral breast cancer.
Exclusion criteria
Exclusion criteria: 1. Patients without preoperative biopsy; 2. Patients with preoperative neoadjuvant chemotherapy, or breast cancer with uncertain initial clinical/pathologic staging; 3. Patients undergoing multiple biopsy methods at the same time; 4. Patients with AJCC stage pT3 or pN2-3 or M1 at initial diagnosis; 5. Patients with bilateral breast cancer at initial diagnosis or late follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Overall Survival; | — |
Secondary
| Measure | Time frame |
|---|---|
| Disease Free Survival; | — |
Countries
China
Contacts
Cancer Hospital, Chinese Academy of Medical Sciences