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Fig. 1 | BMC Cancer

Fig. 1

From: Sterile, abscess-like cerebral lesion during trastuzumab therapy after HER2 status switch in a triple negative breast cancer patient: a case report and literature review

Fig. 1

Histopathology from the primary tumor. a. Primary ductal invasive breast carcinoma with prominent lymphocytic infiltration (tumor infiltrating lymphocyte (TIL) score was 80–90%), H&E section.b. HER2 FISH with single probe: Chr 17 polysomy was diagnosed based on the finding of 3–6 HER2 copies in many tumor cells

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