Table 2 Distribution of St Gallen molecular subgroups in primary breast tumours and matched lymph node metastases
Molecular phenotype in lymph node metastases | Total | |||||
|---|---|---|---|---|---|---|
N | ||||||
Luminal A | Luminal B | HER2-positive | Triple negative | |||
Molecular phenotype in breast tumour | luminal A | 38 (85) | 5 (11) | 0 | 2 (4) | 45 (100) |
luminal B | 0 | 17 (100) | 0 | 0 | 17 (100) | |
HER2-positive | 0 | 1 (9) | 10 (91) | 0 | 11 (100) | |
N (%) | Triple negative | 0 | 0 | 1 (8) | 11 (92) | 12 (100) |
Total | 38 | 23 | 11 | 13 | 85 (100) | |