Table 3 Tumour margin status by molecular subtype in studied patients (n = 295).

From: The clinicopathological and molecular landscape of breast cancer patients: a retrospective study in Sulaimaniyah, Iraq

Molecular subtype

Tumour margin

Total

p-value

Involved

Free

Close

No. (%)

Luminal A

10 (12.33)

61 (75.29)

5.0 (6.2)

76 (27)

0.043*

Luminal B

12 (10.3)

102 (87.2)

3.0 (2.6)

117 (39)

Luminal B-HER2+

4.0 (5.8)

60 (87.0)

5.0 (7.2)

69 (23)

Low HER2 overexpression

0.0 (0.0)

0.0 (0.0)

1.0 (100)

1.0 (0.33)

High HER2 overexpression

0.0 (0.0)

7.0 (77.8)

2.0 (22.2)

9.0 (3.0)

Triple-negative breast cancer

1.0 (4.3)

21 (91.3)

1.0 (4.3)

23 (7.7)

Total

27 (9.03)

251 (83.79)

17 (5.7)

295 (100)

  1. HER2: Human epidermal growth factor receptor 2, *: Significant difference using Fisher’s exact test.