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Question: 20130199 Status
Final

References
Source 1:   2007 MP/H Rules
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Source 2:  
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Question
MP/H Rules/Multiple primaries--Breast: Does breast Rule M10: 'Tumors that are lobular (8520) and intraductal or duct are a single primary' apply if you have twp tumors in the same breast, one ductal and the other tubulolobular (8524)? If not, then rule M12 makes these separate primaries, correct?

Discussion


Answer
Yes, apply Rule M10 to this case. Tubulolobular is now classified as a variant of lobular. Code to lobular, NOS (8520) because Tubulolobular does not have a specific ICD-O-3 code.

History


Last Updated
11/14/2013

Date Finalized
02/05/2014