Table 1

Histopathological characteristics of breast cancers and normal healthy controls

Characteristics

Discovery by ICAT & qualification

Verification in a blinded set

Normal healthy control

No. cases

6

21

Age (median)

36-51(49.5)

17-49 (35)

Breast cancer

No. cases

6

21

Age (median)

36-51 (49.5)

36-78 (50)

Histological grade

Grade 1 (2), Grade 2 (2), Grade 3 (2)

Grade 0 (5), Grade 1 (4), Grade 2 (9), Grade 3 (2), Grade 4 (1)

Tumor size

T1 (3), T2 (3)

T0 (6), T1 (6), T2 (8), T3 (1)

Lymph node status

N0 (4), N2 (1), N3 (1)

N0 (12), N1 (7), N2 (2)

Metastasis

M0 (6)

M0 (20), M1(1)

Estrogen receptor

Negative (6)

Negative (10), Positive (10)*

Progesterone receptor

Negative (6)

Negative (12), Positive (8)*

* Receptor type for one breast cancer patient was not determined.

Kang et al. BMC Cancer 2010 10:114   doi:10.1186/1471-2407-10-114