https://www.selleckchem.com/pr....oducts/pepstatin-a.h
Human epidermal growth factor receptor 2 (HER2) overexpression occurs in 5-10% of primary urothelial carcinomas (UCs) but has not reliably predicted benefit from HER2-targeted agents in the metastatic setting. HER2 testing of primary tumors may not reflect the HER2 status of distant metastases. We assessed the concordance of HER2 expression in paired primary and distant metastatic UC lesions. Specimens from 149 patients with metastatic UC underwent immunohistochemical staining for HER2, including 79 paired primary and distant metast
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