Table 4. Metastatic compromise of non-SLN, percent of modification to phase pN2 and pN3, in patients with MAM,according to clinicopathologic subtype and tumour size (n = 140 patients).
Phase N post ALND | |||||||
---|---|---|---|---|---|---|---|
Phase N pre ALND | With ALND | nonSLN + | pN1a | pN2 | pN3 | % modification | p* |
LUMINAL | 125 | 56 | 26 | 24 | 6 | 24.2 | … |
Tu ≤ 2 cm | 53 | 27 | 17 | 8 | 2 | 17.0 | |
Tu > 2 cm | 72 | 30 | 9 | 18 | 4 | 29.2 | 0.15 |
NO LUMINAL | 15 | 8 | 3 | 3 | 2 | 33.3 | 0.44 |
Tu ≤ 2 cm | 9 | 5 | 3 | 1 | 1 | 22.2 | |
Tu > 2 cm | 6 | 3 | 0 | 2 | 1 | 50.0 | 0.26 |
non-SLN: non sentinel lymph node,
MAM: macrometastasis,
ALND: axillary lymph node dissection.
p value calculated based on chi-square test.