A 56-year-old female with a irregular lesion on her left breast.



What is the ER, PR, HER stain combination are typically show in this entity?
A: ER, PR, HER2 all negative
B: ER+, PR+, HER2-
C: ER-, PR+, HER2-
D: ER+, PR-, HER2+
Answer
Case credit: UCSD Pathology
Author: Wangpan Jackson Shi, MD
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