Table 1 Summary of clinicopathologic features

From: Comparison of Oncotype DX and Mammostrat risk estimations and correlations with histologic tumor features in low-grade, estrogen receptor-positive invasive breast carcinomas

 

All carcinomas (n=106)

Age (years, median, mean±s.e.m.)

57.5 (58.3±1.0)

Tumor size (cm, median, mean±s.e.m.)

1.2 (1.4±0.1)

Menopausal status (%)

 Premenopausal

37 (35)

 Postmenopausal

69 (65)

Histologic type (%)

 Ductal (NST)

72 (67)

 Lobular

4 (4)

 Tubular

22 (21)

 Cribriform

4 (4)

 Mucinous

4 (4)

Tubule formation (%)

 1

30 (28)

 2

71 (67)

 3

5 (5)

Nuclear pleomorphism (%)

 1

20 (19)

 2

85 (80)

 3

1 (1)

Mitotic activity (%)

 1

106 (100)

 2

0 (0)

 3

0 (0)

Number of mitoses per 10 HPF (median, mean±s.e.m.)

1 (1.8±0.2)

Lymphatic invasion (%)

 Absent

104 (9)

 Present

2 (2)

pN stage (%)

 0(i−)

93 (87)

 0(i+)

5 (5)

 1mi/1a

8 (8)

Percent ER reactivity (median, mean±s.e.m.)

100 (95.1±0.8)

ER H-score (median, mean±s.e.m.)

295 (276.8±3.3)

Percent PR reactivity (median, mean±s.e.m.)

85 (75.6±2.7)

PR H-score (median, mean±s.e.m.)

222.5 (203.0±8.7)

HER2 status (%)

 Negative

106 (100)

 Positive

0 (0.0)

Cellular stroma (%)

 Absent

72 (68)

 Present

34 (32)

Inflammatory cells (%)

 Absent

78 (74)

 Present

28 (26)

  1. Abbreviations: ER, estrogen receptor; HPF, high-power field; H-score, histologic score; NST, no special type; PR, progesterone receptor.