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The Breast Journal
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2023
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Article
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Tab 1
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Research Article
The Oncologic Safety of Sentinel Lymph Node Biopsy in Patients with Node-Positive Breast Cancer with Complete Response to Neoadjuvant Chemotherapy: A Single-Center Experience
Table 1
Clinical staging before and after neoadjuvant chemotherapy (NAC).
Clinical staging
Before NAC
n
(%)
After NAC
n
(%)
cT
0
0 (0.0)
22 (23.9)
1
14 (15.2)
60 (65.2)
2
72 (78.3)
7 (7.6)
3
5 (5.4)
1 (1.1)
4b
1 (1.1)
0 (0.0)
cN
0
0 (0.0)
90 (97.8)
1
82 (89.1)
2 (2.2)
2
10 (10.9)
0 (0.0)
cM
0
92 (100.0)
92 (100.0)
C stage
0
0 (0.0)
22 (23.9)
1A
1 (1.1)
60 (65.2)
2A
15 (16.3)
9 (9.8)
2B
62 (67.4)
1 (1.1)
3A
13 (14.1)
0 (0.0)
3B
1 (1.1)
0 (0.0)