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The relationship between the expression levels of four genes (TNS4, SFXN1, SKA3, and SPOCK1) and clinical significance based on The Cancer Genome Atlas (TCGA) database. (A–D) The Kaplan–Meier disease-free survival curves and overall survival curves, T factor, N factor, M factor, and disease stage of the high- and low-expression groups for four genes (TNS4, SFXN1, SKA3, and SPOCK1).
