Table 1 Clinicopathologic features associated with sentinel lymph nodes (SLNs)

Patient age (years)

   Median

56

55

   Range

35–76

26–87

Tumor size (cm)

   Median

1.4

1.5

   Range

0.1–5

0.6–4.5

Steroid receptor status

   Estrogen receptor-positive

17 (68%)^a

19 (76%)

   Estrogen receptor-negative

4 (16%)

6 (24%)

   Unknown

4 (16%)

0

   Progesterone receptor-positive

15 (60%)

18 (72%)

   Progesterone receptor-negative

5 (20%)

7 (28%)

   Unknown

5 (20%)

0

Tumor grade

   Grade I

3 (12%)

3 (12%)

   Grade II

11 (44%)

12 (48%)

   Grade III

8 (32%)

8 (32%)

   Unknown

3 (12%)

2 (8%)