Table 2 Tumor Characteristics

Tumor Size: mean (range)

1.2 cm (0.2-2.8 cm)

1.2 cm (0.01-5.5 cm)

p = NS

Initial volume of excised tissue: mean (range)

63.6 cc (15-180 cc)

69.2 cc (35-144 cc)

p = NS

Excised volume after re-excision: mean (range)

32.6 cc (7-60 cc)

N/A

Additional surgery to assure negative margins:

   Yes

9 (20.5%)

1 (4.8%)

p = NS

   No

34 (77.3%)

20 (95.2%)

   Not reported or not applicable

1 (2.3%)

0 (0.0%)

AJCC Class: n (%)

p = NS

   Tis

12 (27.3%)

4 (19.1%)

   T1a

1 (2.3%)

3 (14.3%)

   T1b

8 (18.2%)

4 (19.1%)

   T1c

21 (47.7%)

8 (38.1%)

   T1mic

0 (0.0%)

1 (4.8%)

   T2

2 (4.6%)

0 (0.0%)

   Not reported

0 (0.0%)

1 (4.8%)

Histopathologic Grade

p = NS

   G1 Well Differentiated

12 (27.3%)

5 (23.8%)

   G2 Moderately Differentiated

18 (40.9%)

9 (42.9)%

   G3 Poorly Differentiated

10 (22.7%)

1 (4.8%)

   Grade Not Available

4 (9.1%)

5 (23.8%)

   Not reported

0 (0.0%)

1 (4.8%)

Breast Cup Size

p = NS

   B

12 (27.3%)

7 (33.3%)

   C

16 (36.4%)

4 (19.1%)

   D

11 (25.0%)

2 (9.5%)

   Not reported

5 (11.4%)

8 (38.1%)

Lesion Location: Side

p = NS

   Left Side

27 (61.4%)

14 (66.7%)

   Right Side

17 (38.6%)

7 (33.3%)

Lesion Location: Vertical

p = NS

   Upper

29 (65.9%)

14 (66.7%)

   Lower

10 (22.7%)

3 (14.3%)

   Midline

5 (11.4%)

4 (19.1%)

Lesion Location: Horizontal

p = NS

   Outer

26 (59.1%)

8 (38.1%)

   Inner

10 (22.7%)

6 (28.6%)

   Midline

8 (18.2%)

5 (23.8%)

   Not reported

0 (0.0%)

2 (9.5%)