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Evaluation of the prognostic value of triple node biopsy in early breast cancer

The prognostic information obtained by triple node biopsy (low axillary, apical axillary and internal mammary nodes) in 693 patients with early breast cancer has been reviewed. Results show that tumour site within the breast influenced which nodal groups were involved. The low axillary node contributed the most useful prognostic information. The involved apical node carried the worst prognosis. Either the internal mammary node or a low axillary node when positive alone carried the same prognostic weight. When both nodes were positive the prognosis declined to the level associated with apical node positivity. A double node biopsy of the low axillary node and either the apical or the internal mammary node gave the same maximum prognostic information as a triple node biopsy. The triple node biopsy technique can be used to divide patients into groups with vastly different prognoses.