Table 1

Patient and tumor characteristics

Clinicopathological Features
Patients n (%)
Clinicopathological Features
Patients n (%)

Menopausal status

T

Postmenopausal
15 (25)
TIS
3 (5)
Premenopausal
39 (66)
pTx
1 (2)
Unknown
5 (9)
pT1
19 (33)
Histotype

pT2
22 (37)
Ductal invasive
45 (76)
pT3
2 (3)
Lobular invasive
4 (7)
pT4
12 (20)
Intraductal
3 (5)
Diameter (mm)

Inflammatory
4 (7)
≤ 10 mm
9 (15)
Other
3 (5)
> 10 mm
42 (71)
Grading

Unknown
8 (14)
G1
7 (12)


G2
18 (31)
N

G3
26 (44)
pN1-3
20 (34)
Unknown
8 (13)
pN4-10
9 (15)
Ki-67

pN > 10
4 (7)
0–15%
33 (56)
Negative
19 (32)
16–25%
9 (15)
Unknown
7 (12)
26–100%
14 (24)
HER-2

Unknown
3 (5)
Positive
31 (53)
ER/PgR

Negative
28 (47)
ER+/PgR+
38 (64)


ER-/PgR-
12 (20)
LVI

ER+/PgR-
7 (12)
Positive
27 (46)
ER-/PgR+
1 (2)
Negative
24 (41)
Unknown
1 (2)
Unknown
8 (13)

G, differentiation grade; G1-3, low, moderate or intermediate, high grade. ER, estrogen receptor alpha; PgR, progesterone receptor; T, tumor size; pT1, 0–2 cm; pT2, 2–5 cm; pT3, > 5 cm; pT4, ulcerated or attached; Tis, carcinoma in situ; pTX, primary tumor of unknown pT; N, node status; LVI, lymphovascular invasion; n, number of cases.

Fiorio et al. BMC Cancer 2008 8:305   doi:10.1186/1471-2407-8-305