None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) undergone neoadjuvant chemotherapy 2) HER-2 or triple negative breast cancer 3) clinical stage T1-3, N0-1, M0 (AJCC 8th) 4) not Inflammatory breast cancer 5) neoadjuvant chemotherapy should be done before surgery(sandwich method is not allowed) - least four times anthacycline or taxane-based regimens - no axilla lesion progression during chemotherapy - no period of adverse response during chemotherapy 6) undergone anti HER-2 therapy in HER-2 positive patient 7) no preoperative anti hormonal therapy 8) no preoperative radiation therapy? 9) did not axillary lymph node biopsy before neoadjuvant chemotherapy 10) physical examination expected complete remission. And radiological expected Tumor size = 2cm or non-mass enhancement = 4cm 11) no previous axilla surgery 12) no previous ipsilateral breast surgery for invasive cancer 13) no Pregnancy-associated breast cancer 14) ECOG performance status 0-1 15) Serum or urine b-HCG negative 16) agree to the consent form 17) 20=Age<70
Exclusion criteria
Exclusion criteria: 1) During pregnancy 2) major depression or taking psychiatric medication 3) significant psychiatric disorder or history of taking antipsychotic drugs 4) any other lymph node metastasis than axillary lesion 5) undergoing total mastectomy 6) do not agree to the consent form
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| to evaluate 5 year recurrence free survival | — |
Secondary
| Measure | Time frame |
|---|---|
| Quality-of-life;overall survival;local recurrence-free survival ;Breast cancer specific survival;ipsilateral breast tumor recurrence interva; ipsilateral axillary recurrence interva;Adverse Event | — |
Countries
Korea, Republic of
Contacts
Samsung Medical Center