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Table 7 Summary of the total number of individual instances in which any one of the designated BCS specimen margin sites was positive or was positive/close from the pathology report of the 204 BCS cases

From: Standardized and reproducible methodology for the comprehensive and systematic assessment of surgical resection margins during breast-conserving surgery for invasive breast cancer

BCS specimen margin

Number of instances in which there was a positive BCS specimen margin

Histopathology of each positive BCS specimen margin

Superior (S) margin

3

2 IDC, 1 ACC

Medial (M) margin

5

2 IDC, 2 ILC, 1 DCIS

Lateral (L) margin

3

1 IDC, 1 ILC, 1 DCIS

Inferior (I) margin

5

2 IDC, 2 ILC, 1 DCIS

Deep-Posterior (DP) margin

4

2 IDC, 1 ILC, 1 ACC

Anterior-Skin (AS) margin

0

not applicable

BCS specimen margin

Number of instances in which there was a positive/close BCS specimen margin

Histopathology of each positive/close BCS specimen margin

Superior (S) margin

3

2 IDC, 1 ACC

Medial (M) margin

8

5 IDC, 2 ILC, 1 DCIS

Lateral (L) margin

4

2 IDC, 1 ILC, 1 DCIS

Inferior (I) margin

6

2 IDC, 2 ILC, 2 DCIS

Deep-Posterior (DP) margin

8

4 IDC, 1 ILC, 2 DCIS, 1 ACC

Anterior-Skin (AS) margin

0

not applicable

  1. BCS, breast-conserving surgery; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; DCIS ductal carcinoma in situ; ACC, adenoid cystic carcinoma