Table 4 The nature of the classification of metastatic disease amongst false negative cases for patients with a positive sentinel lymph node for invasive lobular carcinomas and invasive ductal carcinomas
False negative cases | ILC | IDC | Total cases | P-value |
|---|---|---|---|---|
   Macrometastatic (>2.0 mm) | 5 (28%) | 2 (18%) | 7 (24%) | 0.807 |
   Micrometastatic (≤ 2.0 mm) | 11 (61%) | 8 (73%) | 19 (66%) |  |
   Unknown classification | 2 (11%) | 1 (9%) | 3 (10%) |  |
   Total | 18 (100%) | 11 (100%) | 29 (100%) |  |