Table 2 Histology and receptor status of breast cancer in women in the 6 SEER program sites diagnosed between 1988-2006 by ethnicity

Histology

0.02*

In situ---Ductal

31998 (12.1)

142 (12.0)

4409 (12.7)

1907 (11.8)

In situ---Lobular

6641 (2.5)

21 (1.8)*

648 (1.9)

330 (2.0)

In situ--Mixed

6243 (2.4)

41 (3.5)*

984 (2.8)

420 (2.6)

Histology

< 0.0001*

Invasive--Ductal

173174 (65.6)

817 (69.1)*

24254 (69.6)

10858 (67.3)

Invasive---Lobular

21725 (8.2)

50 (4.2)*

1752 (5.0)

1023 (6.3)

Invasive--Mixed

21853 (8.3)

96 (8.1)

2253 (6.5)

1322 (8.2)

Inflammatory carcinoma

2218 (0.8)

16 (1.4)*

537 (1.5)

265 (1.6)

Estrogen Receptor (ER)

0.0688*

Positive

130267(79.3)

463 (71.9)*

12902 (62.6)

6984 (72.3)

Negative

34040 (20.8)

181 (28.1)*

7724 (37.5)

2673 (27.7)

Progesterone Receptor (PR)

0.0260*

Positive

108451(68.2)

391 (62.2)*

10548 (53.1)

5758 (62.5)

Negative

50533 (31.8)

238 (37.8)*

9315 (46.9)

3449 (37.5)

ER/PR

0.0095*

Positive/Positive

103767 (78.2)

377 (69.4)*

9702 (58.9)

5408 (70.3)

Negative/Negative

28994 (21.8)

166 (30.6)*

6772 (41.1)

2285 (29.7)