Effect of Formalin Fixation on Surgical Margins in Breast Cancer Surgical Specimen

Table 2

Analysis of specific margins.

	Prefixation margins	Postfixation margins	Difference (postfixation − prefixation)
Mean closest tumor-free margin (mm)	22.43	20.28	2.14 (95% C.I. = 1.77 − 2.52)