Research Article
Luminal A Breast Cancer: How Feasible is Omitting Axillary Dissection Without Neoadjuvant Therapy
| | Variables |
| | Tumor diameter | Mean ± SD | 20.68 ± 12.48 |
| | Tumor location, n(%) | Upper outer quadrant | 123 (45.2) | | Lower outer quadrant | 42 (15.4) | | Upper inner quadrant | 43 (15.8) | | Lower inner quadrant | 29 (10.7) | | Central | 9 (3.3) |
| | Pathology, n(%) | Invasive ductal carcinoma | 207 (76.3) | | Invasive lobular carcinoma | 37 (13.6) | | Mucinous | 19 (7) | | Tubular | 7 (2.5) | | Mixed | 1 (0.6) |
| | Grade, n(%) | 1 | 92 (33.8) | | 2 | 153 (56.3) | | 3 | 25 (9.2) |
| | cT, n(%) | 1 | 153 (56.3) | | 2 | 110 (40.4) | | 3 | 8 (2.9) |
| | SLN status, n(%) | OAD | 212 (77.9) | | Positive-AD | 58 (21.3) |
| | Axillary intervention, n(%) | SLNB | 212 (77.9) | | SLNB + Axillary dissection | 58 (21.3) | | Axillary dissection | 1 (0.4) |
| | Positive lymph node counts in patients undergoing, n(%) | 1 positive | 16 (88.8) | | 2 positive | 2 (1.2) |
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SLN : sentinel lymph node; OAD : omitting axillary dissection; AD : axillary dissection; SLNB : sentinel lymph node biopsy.
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