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(A) Non-triple negative phenotype of invasive lobular carcinoma shows linear strands of tumor cells in the fibrotic stroma (× 200, H&E). It expresses estrogen receptor (B) (× 200, ER) and progesterone receptor (C) (× 200, PR). (D) Peritumoral stromal cells demonstrate galectin-3 expresssion (× 200, galectin-3). ER, estrogen receptor; PR, progesterone receptor.
