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. 2021 Feb 28;33(1):27–32. doi: 10.21147/j.issn.1000-9604.2021.01.03

S2. Adjuvant therapy information of patients with bilateral breast cancer.

Adjuvant therapy information n (%)
TAM, tamoxifen; AI, aromatase inhibitor; NA, not applicable.
Endocrine therapy
 No 86 (19.5)
 TAM of synchronous carcinoma 96 (21.8)
 TAM of metachronous carcinoma 21 (4.8)
 AI of synchronous carcinoma 95 (21.6)
 AI of metachronous carcinoma 26 (5.9)
 Other 11 (2.5)
 NA 105 (23.9)
Chemotherapy
 No 96 (21.8)
 Neoadjuvant chemotherapy of synchronous carcinoma 72 (16.4)
 Neoadjuvant chemotherapy of metachronous carcinoma 5 (1.1)
 Adjuvant chemotherapy of synchronous carcinoma 132 (30.0)
 Adjuvant chemotherapy of metachronous carcinoma 46 (10.5)
 NA 89 (20.2)
Radiotherapy
 No 208 (47.3)
 Radiotherapy of synchronous carcinoma 69 (15.7)
 Radiotherapy of metachronous carcinoma 26 (5.9)
 NA 137 (31.1)
Targeted therapy- HER2-positive
 No 32 (40.0)
 Targeted therapy of synchronous carcinoma 21 (26.3)
 Targeted therapy of metachronous carcinoma 5 (6.3)
 NA 22 (27.5)