Table 2 Clinicopathologic and US features of BC patients who presented with and without ALNM
Features | ALNM (n = 437) N (%) | Non-ALNM (n = 438) N (%) | P Value |
|---|---|---|---|
Age(years) | Â | 0.009 | |
  ≤ 50 | 224 (54.6%) | 186 (45.4%) |  |
  > 50 | 213 (45.8%) | 252 (54.2%) |  |
Histologic types | Â | 0.017 | |
 Ductal | 415 (51.1%) | 397 (48.9%) |  |
 Lobular | 10 (47.6%) | 11 (52.4%) |  |
 Others | 12 (28.6%) | 30 (71.4%) |  |
Histologic grades | Â | 0.000 | |
 I | 6 (14.0%) | 37 (86.0%) |  |
 II | 199 (50.6%) | 194 (49.4%) |  |
 III | 232 (52.8%) | 207 (47.2%) |  |
Molecular subtypes | Â | 0.000 | |
 Luminal A | 68 (37.4%) | 114 (62.6%) |  |
 Luminal B | 194 (51.9%) | 180 (48.1%) |  |
 Luminal B HER2( +) | 59 (72.0%) | 23 (28.0%) |  |
 HER2-enriched | 62 (48.1%) | 67 (51.9%) |  |
 Triple negative | 54 (50.0%) | 54 (50.0%) |  |
Multifocality | Â | Â | 0.024 |
 Unifocal | 349 (48.2%) | 375 (51.8%) |  |
 Multifocality | 88 (58.3%) | 63 (41.7%) |  |
Tumor location | Â | Â | 0.000 |
 Upper outer quadrant | 294 (56.8%) | 224 (43.2%) |  |
 Others | 143 (40.1%) | 214 (59.9%) |  |
Maximum diameter | Â | Â | 0.000 |
  ≤ 2 cm | 131 (39.9%) | 197 (60.1%) |  |
  > 2 cm | 306 (55.9%) | 241 (44.1%) |  |
Shape | Â | Â | 0.365 |
 Irregular | 433 (50.1%) | 431 (49.9%) |  |
 Oval and round | 4 (36.4%) | 7 (63.6%) |  |
Orientation | Â | Â | 0.646 |
 Parallel | 374 (50.3%) | 370 (49.7%) |  |
 Not parallel | 63 (48.1%) | 68 (51.9%) |  |
Angular margin | Â | Â | 0.665 |
 Yes | 319 (50.4%) | 314 (49.6%) |  |
 No | 118 (48.8%) | 124 (51.2%) |  |
Spiculated margin | Â | Â | 0.000 |
 Yes | 164 (63.1%) | 96 (36.9%) |  |
 No | 273 (44.4%) | 342 (55.6%) |  |
Distance from the skin | Â | Â | 0.000 |
  < 3 mm | 109 (62.6%) | 65 (37.4%) |  |
  ≥ 3 mm | 328 (46.8%) | 373 (53.2%) |  |