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Demonstration of HCMV IE and LA in breast cancer tissue specimens by using an automated IHC approach. Approximately estimated number of the tumor cells expressing HCMV-IE and LA within the breast tumor sections are scored as 0; <1%, 1; 1–24%, 2; 25–49%, 3; 50–74%, and 4; >75%. HCMV IE and LA (brown color) are expressed in the cytoplasm of the tumor cells. There was no HCMV IE grade 4 among our specimens. Original magnification ×20.
