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SEER Inquiry System - Report
Produced: 11/07/2025 12:15 AM
Question 20061076
Inquiry Details
References:
2004 SEER Manual, 78-79
Question:
Laterality--Breast: Should laterality be coded to 9 [Paired site but no information concerning laterality] or to the side with the positive lymph nodes for a case in which no breast mass is found but positive axillary lymph nodes are found on only one side?
Discussion:
Answer:
Code laterality of the primary site to the side with the positive nodes when there are unilateral positive nodes and the laterality of the primary site is otherwise unknown.
Cancer Site Category:
Breast
Data Item Category:
Laterality
Other Category:
N/A
Year:
2006
