Sentinel lymph node biopsy using dye alone method is reliable and accurate even after neo-adjuvant chemotherapy in locally advanced breast cancer - a prospective study

Table 5 SLNB results by post-NACT axillary status (n = 30)

N0, N1, N2 is the pre-operative lymph node status, i.e. after NACT, while + represents the histopathological report i.e. pN+/pN-
There were two "false negative cases", one was a "non responder" that was N2 (both pre and post NACT) and the other was a responder (pre NACT-N2 and post NACT-N1) i.e. both false negative cases cases were not N0 after three cycles of NACT. 50% cases i.e. 15/30 cases in our study were down staged from N1 or N2 to N0.

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