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Surgical Case Reports
Fig. 6 | Surgical Case Reports

Fig. 6

From: Single-dose trastuzumab monotherapy achieved pathological complete response (pCR) in a patient with HER2-positive breast cancer: a case report

Fig. 6

Postoperative histopathological findings. A, B Main slice of the tumor. The yellow line refers to the fibrosed area where the invasive carcinoma was thought to have been located. The green line refers to the area scarred and infiltrated with inflammatory cells (A: HE × 0.8; B: HE × 18.6 in the green area). C, D Outer slice of the tumor. Similar to the US findings, there was calcification within the tumor (yellow arrow) (C: HE × 0.8; B: HE × 20). E, F Inner slice distant from the tumor. A ductal carcinoma-in situ component was identified by chance in one glandular duct (yellow arrow), but there was no obvious residual invasive carcinoma, and the surgical margin was negative (E: HE × 0.8; F: HE × 20)

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