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Table 1 Clinicopathologic features of the study population.

From: Pre-operative and intra-operative detection of axillary lymph node metastases in 108 patients with invasive lobular breast cancer undergoing mastectomy

Clinical features

Age (y)

Median ± SD (range)

52 ± 8.7 (34–73)

 < 50

42 (39%)

 ≥ 50

66 (61%)

Palpability of breast lesion

 Palpable

70 (64.8%)

 Non-palpable

38 (35.2%)

Palpability of axillary lymph nodes

 Palpable

9 (8.3)

 Non-palpable

99 (91.7%)

Multicentic breast lesion

 No

47 (43.5%)

 Yes

61 (56.5%)

Pathologic features

Median ± SD (range) [mm]

21.5 ± 17.1 (2–90)

T stage

 T1 (≤20 mm)

46 (42.6%)

 T2 (> 20 mm, ≤50 mm)

46 (42.6%)

 T3 (>  50 mm)

13 (12%)

 T4

3 (2.8%)

N stage

 N0

62 (57.4%)

 N1

27 (25%)

vN2

8 (7.4%)

 N3

11 (10.2%)

Variant of ILC

 Classic

97 (90%)

 Pleomorphic

11 (10%)

Histologic grade

 I

7 (6.5%)

 II

88 (81.5%)

 III

13 (12%)