Question: 20180064

Status


Final

Category


#1:   Solid Tumor Rules (2018)
#2:   Recurrence
#3:   Breast


References


Source 1:   2018 Solid Tumor Rules
pgs:  
Notes:   Breast
Source 2:  
pgs:  
Notes:  


Question


Solid Tumor Rules (2018)/Recurrence--Breast:  Does any recurrence within the multiple primaries-stated timeframe count, not those just in the primary site?  See Discussion.



Discussion


A patient has a left breast cancer diagnosed in 2011; then has a "recurrence" in her lymph nodes in 2017. In 2018, she has a new left breast mass that is the same histology and behavior as the 2011 cancer.  Based on the 2017 "recurrence" in the lymph nodes, this is not a new breast primary, is that correct?



Answer


This is a single primary using 2018 Breast Solid Tumor Rule M11. Rule M8 does not apply because the patient was not clinically disease free for 5 years. We are interpreting the 2017 diagnosis as lymph node metastasis from the 2011 breast cancer diagnosis.



History




Last Updated


08/28/2018

Date Finalized


11/15/2018