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. 2021 Jun 21;13:4935–4946. doi: 10.2147/CMAR.S312690

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© 2021 Fu et al.

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sPD-L1 concentration in healthy controls and ESCC patients. (A) sPD-L1 concentration was highly elevated in ESCC patients (U-test, p<0.001). (B) ROC analysis of sPD-L1 and other hematologic markers between ESCC patients and healthy controls.

Note: ***p<0.001 was considered significant in U-test.