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Path Report

Please help me understand my mother's path report. She was just diagnosed last week.
Invasive Carcinoma Type:
Invasive Lobular Carcinoma spans at least 6mm in this material
Differentiation:
Moderately to poorly differentiated
Nuclear Grade
III/III (MARKED VARIATION IN SIZE AND SHAPE)
Lobular Neoplasis:
Lobular Carcinoma in situ (LCIS), CLASSIC TYPE
Results of immunohistochemical Studies:
Invasive carcinoma (block1)
Estrogen Receptor (CLONE 6F11, Leica)
Positive Nuclear Staining in 5% of tumor cells
Moderate integrity
Progresterone Receptor (Clone 16, Leica)
Negative
HER2 (4B5 VENTARA)
EQUIVOCAL 2+ fish will be performed
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