SEER Inquiry System - Question 20021050 Details

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Produced: 05/09/2024 8:49 AM

Question 20021050

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Inquiry Details

References:

SEER EOD-88, 3rd Ed, 66, 68

Question:

EOD-Extension--Pancreas: If the tumor involvement for a case falls between two different regional extension codes, should we code to the lesser of the two codes or should we code extension as unknown? See discussion.

Discussion:

Example 1: CT scan description: Mass in the head of the pancreas. The duodenum is "surrounded" by tumor. Should we code extension to 40 [peripancreatic tissue extension, NOS] or 99 [unknown] because the extension code could be further than 40. It could be 44 [extension to duodenum].

Example 2: CT scan description: Mass in region of pancreatic head and "root" of superior mesenteric artery consistent with pancreatic cancer. Should we code extension to 40 [peripancreatic tissue extension, NOS] or 99 [unknown] because the extension code could be further than 40? It could be 54 [extension to major blood vessels].

Answer:

For cases diagnosed 1998-2003:

In both examples, code the EOD-Extension field to 40 [peripancreatic tissue extension, NOS]. Choose the lowest of a known possible extension code over an unknown code.

Cancer Site Category:

Pancreas

Data Item Category:

N/A

Other Category:

N/A

Year:

2002