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Produced: 09/17/2025 9:48 AM
Question 20130205
Inquiry Details
References:
2007 MP/H Rules
Question:
MP/H Rules/Multiple primaries--Breast: How many primaries are reported and what is the histology for each in a case of infiltrating duct and lobular carcinoma of the breast (8522) with Paget disease of the same breast?
Discussion:
Answer:
Abstract as two primaries according to rule M12. We interpret this as one tumor with infiltrating duct and lobular carcinoma (8522) and a second tumor with Paget disease (8540).
Cancer Site Category:
Breast
Data Item Category:
N/A
Other Category:
Multiple primaries
Year:
2013
