SEER Inquiry System - Question 20071043 Details

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Question 20071043

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Inquiry Details

References:

2007 SEER Manual, 90-91

Question:

Multiplicity Counter: Are in situ tumors diagnosed more than 60 days after invasive tumors of the same site and histology included in the Multiplicity Counter?

Discussion:

Answer:

If an in situ tumor following an invasive tumor is a single primary according to the multiple primary rules for that particular site, include the in situ and the invasive tumors in the multiplicity counter.

Cancer Site Category:

N/A

Data Item Category:

N/A

Other Category:

N/A

Year:

2007