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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%)