Omitting axilary lymph node dissection (ALND) following SLNB with residual cancer in patients with locally advanced disease after neoadjuvan chemotherapy (NAC) is still controversial. In this study, the investigators evaluated factors affecting local recurrence and outcome in patients with locally advanced breast cancer (LABC), who underwent sentinel lymph node (SLN) with or without ALND after NAC.
All patients with clinically positive axilla will undergo neoadjuvant chemotherapy. Axillary fine needle aspiration biopsy or Trucut biopsy is mandatory. All patients with clinically node negativity (physical exam, USG, and/or MRI, PET-CT) after Neoadjuvant Chemotherapy (NAC) will be considered for SLNB with any technique (blue dye alone, radionuclide alone or both combined) and any breast surgery (mastectomy or breast conservation). PET-CT and MRI are not mandatory. PE and USG and/or MRI are preferred. At least, 2 sentinel lymph nodes will be obtained. Intraoperative evaluation of SLNs is recommended. All patients with clinally-negative axilla and underwent SLNB will be included into the study: 1. SLNB (-) \& RT 2. SLNB (+) \& RT 3. SLNB (+) \& ALND \& RT Radiotherapy details will be announced as supplementary
Study Type
OBSERVATIONAL
Enrollment
500
Istanbul University Institute of Oncology
Istanbul, Turkey (Türkiye)
RECRUITINGIstanbul University Istanbul Faculty of Medicine
Istanbul, Turkey (Türkiye)
RECRUITINGBulent Ecevit University Faculty of Medicine
Zonguldak, Turkey (Türkiye)
RECRUITINGLocal recurrence free survival
Breast and axillary recurrence rates
Time frame: January 2023
Disease free survival
Local recurrence and distant metastasis rates
Time frame: January 2023
Overall survival
Overall survival
Time frame: January 2023
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