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Figure 1

From: Comparative analysis of HER2 copy number between plasma and tissue samples in gastric cancer using droplet digital PCR

Figure 1

HER2 copy number measured from tissue and plasma using ddPCR. (a) Tissue and plasma HER2 copy number distribution in healthy control, HER2 negative, and HER2 positive group. (b) HER2 copy number distribution of tissue and plasma according to the HER2 grade. (c) HER2 copy number distribution of tissue and plasma HER2 positive assessed by ddPCR. (d) Correlation of plasma HER2 copy number with tissue HER2 copy number. CN, copy number; HER2−, HER2 negative group; HER2+, HER2 positive group; IHC, Immunohistochemistry; P, Plasma; T, Tissue; PCN, Plasma copy number; TCN, Tissue copy number.

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