Table 2.
The distribution of histopathological characteristics, based on hormonal & molecular subtypes in 740 women with invasive breast cancer.
| Characteristics' | Luminal A | Luminal B | HER-2 positive | Triple negative | Total |
|---|---|---|---|---|---|
| Total | 434 (58.5%) | 104(14%) | 85 (11.5%) | 117 (16%) | 740(100) |
| Histology | |||||
| Ductal | 343 (78.6%) | 88 (84.6%) | 84 (98.8%) | 114 (97.4%) | 629 (85%) |
| Lobular | 73 (16.7%) | 10 (9.6%) | 1 (1.2%) | 0 | 84 (11.4%) |
| Others | 18 (4.7%) | 6 (5.8%) | 0 | 3 (2.6%) | 27 (3.6%) |
| Tumor grade | |||||
| Grade 1 | 270 (62.2%) | 4 (3.8%) | 0 | 0 | 274 (37.1%) |
| Grade II | 116 (26.7%) | 60 (57.7%) | 35 (41.2%) | 37 (31.6%) | 248 (33.5%) |
| Grade III | 48 (11.1%) | 40 (38.5%) | 50 (58.8%) | 80 (68.4%) | 218 (29.4%) |
| Carcinoma in situ | |||||
| Percent | 334 (77%) | 54 (51.9%) | 35 (41.2% | 90 (76.9%) | 227 (30.7%) |
| Absent | 100 (23%) | 50 (48.1%) | 50 (58.8%) | 27 (23.1%) | 513 (69.3%) |