Table 1 Patient and tumor characteristics.

From: Breast-conserving surgery with 3D-printed surgical guide: a single-center, prospective clinical study

Variables

N (%)

Age (years)

Median

48

Range

23–69

< 50

50 (56.2)

≥ 50

39 (43.8)

Pathology

Invasive ductal carcinoma

73 (82.0)

Invasive lobular carcinoma

5 (5.6)

Mixed

5 (5.6)

Others

6 (6.7)

T stage

T1

63 (70.8)

T2

25 (28.1)

T3

1 (1.1)

N stage

N0

68 (76.4)

N1

18 (20.2)

N2

3 (3.4)

Histologic grade

I

4 (4.5)

II

68 (76.4)

III

17 (19.1)

Multifocality

Yes

34 (38.2)

No

55 (618)

Subtype

HR +/HER2 −

65 (73.0)

HR +/HER2 +

14 (15.7)

HR −/HER2 +

3 (3.4)

TN

7 (7.9)

Lymph node status

Negative

68 (76.4)

Positive

21 (23.6)

Axillary surgery

SLNB only

82 (92.1)

ALND

7 (7.9)

  1. SLNB sentinel lymph node biopsy, ALND axillary lymph node dissection, HR hormone receptor, HER2 human epidermal growth factor receptor 2, TN triple negative.
Back to article page