Table 2.

Pathology of the final surgical margin in 192 patients who underwent a resection for non-invasive intraductal papillary mucinous neoplasms (IPMN)

Margin
PanIN or IPMN at margin (n = 86)	45%
IPMN at final margin
None (n = 154)	80%
Low grade (n = 17)	9%
Moderate grade (n = 15)	8%
High grade (n = 6)	3%
PanIN at final margin
None (n = 138)	72%
1 (n = 33)	17%
2 (n = 17)	9%
3 (4)	2%
Frozen section (n = 44)	23%
Path on frozen
Negative (n = 27)	61%
Low grade IPMN (n = 12)	27%
Moderate grade IPMN (n = 3)	7%
High grade IPMN (n = 1)	2%
PanIN (n = 1)	2%