Contingency table between histological grade of tumor and LVSI. Each cell shows the median number of cases that received the column rating by one pathologist and row rating by another pathologist's ± interquartile range.

Table 4: Contingency table between histological grade of tumor and LVSI. Each cell shows the median number of cases that received the column rating by one pathologist and row rating by another pathologist's ± interquartile range.

		LVSI
		Present	Absent	Indeterminate
Grade (+) IHC	1	1 ± 0.75	26.5 ± 2.75	1 ± .1.5
	2	3.5 ± 2	10 ± 0.75	1.5 ± 0.875
	3	7 ± 7.5	5 ± 1.875	12 ± 4.375