SEER Inquiry System - Question 20071124 Details

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Question 20071124

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Inquiry Details

References:

#1: 2007 SEER Manual, 8

#2: MP/H Clarifications, 340. Nov. 2007

Question:

Multiplicity Counter-Breast: The general instructions say to ignore separate microscopic foci when determining when to use the single tumor or multiple tumor modules. Do these instructions apply if sizes are given for the foci? See Discussion.

Discussion:

For instance, would a 1.2 cm breast tumor with 3 scattered microscopic foci ranging from 2-4 mm be treated as multiple tumors (4), or as a single tumor?

Answer:

If the microscopic foci are measured and listed as part of the diagnosis, they should be counted as multiple tumors.

Cancer Site Category:

N/A

Data Item Category:

N/A

Other Category:

N/A

Year:

2007