SEER Inquiry System - Question 20010101 Details

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SEER Inquiry System - Report

Produced: 10/18/2025 7:43 AM

Question 20010101

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Inquiry Details

References:

#1: SEER EOD-88, 3rd Ed, 2, 66, 68

#2: SINQ 20010099

Question:

EOD-Extension--Pancreas: How do you code extension when a mass is described on exploratory laparotomy as compressing the duodenum, arising in the head of the pancreas, "extending around" the superior mesenteric vein and artery, and "encasing" the portahepatis?

Discussion:

Answer:

For cases diagnosed 1998-2003:

Code the EOD-Extension field to 40 [extension to peripancreatic tissue, NOS]. Neither of the terms "extending around" nor "encasing" are interpreted as involvement with tumor by SEER.

Cancer Site Category:

Pancreas

Data Item Category:

N/A

Other Category:

N/A

Year:

2001