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. 2019 Apr 10;54(6):2030–2038. doi: 10.3892/ijo.2019.4779

Table II.

Clinical characteristics of the patients with breast cancer (n=111).

Characteristics No. of patients
Age (years)
 Mean, 62.3±13.8
 Range, 27-93
Primary tumora
 T1 30
 T2-T4 81
Stage groupinga
 II 88
 III 23
Molecular subtypes
 Luminal A likeb 42
 Luminal B like 34
 Luminal-HER2 7
 HER2 12
 TNBC 16
ER
 Positive 83
 Negative 28
PgR
 Positive 72
 Negative 39
HER2
 Positive 20
 Negative 91
Ki67
 <30% 68
 ≤30% 43
Nuclear gradea
 1 24
 2 45
 3 42
Histological classificationc
 Invasive ductal carcinoma (total) 82
 Special (total) 29
  Mucinous carcinoma 4
  Medullary carcinoma 1
  Invasive lobular carcinoma 16
  Apocrine carcinoma 2
  Spindle cell carcinoma 2
  Invasive micropapillary carcinoma 1
  Carcinoma with neuroendocrine features 3
a

The grade of the tumor and stages were defined according to the UICC (TNM) classification.

b

Luminal A like were defined as ER+, PgR >20%, HER2 and Ki67 <30%.

c

The classification were defined according to the Japanese Breast Cancer Society (17th edition) (17). ER, estrogen receptor; PgR, progesterone receptor; HER2, human epidermal growth factor receptor 2.