BMC Cancer 2009, 9:254 http://www.biomedcentral.com/1471-2407/9/254 Table 4: Summary of the nine standardized re-resection margin variables from the pathology report of the 204 BCS cases Re-resection margin variables Superior (S) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Superior-Medial (SM) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Superior-Lateral (SL) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Medial (M) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Lateral (L) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Inferior (I) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Inferior-Medial (IM) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Inferior-Lateral (IL) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Deep-Posterior (DP) re-resection margin Volume (cm3) 2-dimensional surface area (cm2) Cumulative volume (cm3) of all nine standardized re-resection margins Cumulative 2-dimensional surface area (cm2) of all nine standardized re-resection margins BCS, breast-conserving surgery Mean measurement (range) 2.74 (0.17 – 19.24) 4.23 (0.56 – 23.20) 2.60 (0.04 – 50.11) 3.77 (0.20 – 28.50) 2.44 (0.14 – 52.73) 3.85 (0.50 – 28.40) 3.09 (0.05 – 36.00) 4.50 (0.20 – 36.00) 2.69 (0.16 – 15.12) 4.12 (0.80 – 21.60) 3.04 (0.10 – 24.57) 4.66 (0.50 – 18.90) 2.33 (0.10 – 31.50) 3.80 (0.30 – 15.80) 2.33 (0.10 – 10.10) 4.05 (0.50 – 20.30) 3.29 (0.10 – 66.00) 4.67 (0.10 – 33.00) 24.55 (2.20 – 135–57) 37.66 (6.19 – 102.66) Table 5: Summary of percentage of cumulative volume of all nine standardized re-resection margins as compared to the BCS specimen volume, percentage of cumulative 2-dimensional surface area of all nine standardized re-resection margins as compared to the surface area of the BCS specimen, and percentage of cumulative 2-dimensional surface area of all nine standardized re-resection margins as compared to the surface area of the BCS specimen minus the surface area of the overlying skin ellipse from the pathology report of the 204 BCS cases Variables Percentage of cumulative volume of all nine standardized re-resection margins as compared to the BCS specimen volume Percentage of cumulative 2-dimensional surface area of all nine standardized re-resection margins as compared to the surface area of the BCS specimen Percentage of cumulative 2-dimensional surface area of all nine standardized re-resection margins as compared to the surface area of the BCS specimen minus the surface area of the overlying skin ellipse BCS, breast-conserving surgery Percentage (range) 26.8% (3.5% – 85.7%) 32.6% (7.5% – 96.3%) 34.9% (8.1% – 98.2%) Page 11 of 23 (page number not for citation purposes)