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Table 4 Summary of the nine standardized re-resection margin variables 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

Re-resection margin variables

Mean measurement (range)

Superior (S) re-resection margin

 

   Volume (cm3)

2.74 (0.17 – 19.24)

   2-dimensional surface area (cm2)

4.23 (0.56 – 23.20)

Superior-Medial (SM) re-resection margin

 

   Volume (cm3)

2.60 (0.04 – 50.11)

   2-dimensional surface area (cm2)

3.77 (0.20 – 28.50)

Superior-Lateral (SL) re-resection margin

 

   Volume (cm3)

2.44 (0.14 – 52.73)

   2-dimensional surface area (cm2)

3.85 (0.50 – 28.40)

Medial (M) re-resection margin

 

   Volume (cm3)

3.09 (0.05 – 36.00)

   2-dimensional surface area (cm2)

4.50 (0.20 – 36.00)

Lateral (L) re-resection margin

 

   Volume (cm3)

2.69 (0.16 – 15.12)

   2-dimensional surface area (cm2)

4.12 (0.80 – 21.60)

Inferior (I) re-resection margin

 

   Volume (cm3)

3.04 (0.10 – 24.57)

   2-dimensional surface area (cm2)

4.66 (0.50 – 18.90)

Inferior-Medial (IM) re-resection margin

 

   Volume (cm3)

2.33 (0.10 – 31.50)

   2-dimensional surface area (cm2)

3.80 (0.30 – 15.80)

Inferior-Lateral (IL) re-resection margin

 

   Volume (cm3)

2.33 (0.10 – 10.10)

   2-dimensional surface area (cm2)

4.05 (0.50 – 20.30)

Deep-Posterior (DP) re-resection margin

 

   Volume (cm3)

3.29 (0.10 – 66.00)

   2-dimensional surface area (cm2)

4.67 (0.10 – 33.00)

Cumulative volume (cm3) of all nine standardized re-resection margins

24.55 (2.20 – 135–57)

Cumulative 2-dimensional surface area (cm2) of all nine standardized re-resection margins

37.66 (6.19 – 102.66)

  1. BCS, breast-conserving surgery