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Molecular typing based on immune checkpoint genes. (A–C): Cluster grouping based on immune checkpoint genes, (A): sample size after grouping; (B): change in area under the CDF curve (k = 2–9); (C): change of delta area plot when k = 2 to k = 9; (D): PCA analysis of cluster A and B; E-F: differential expression level of TET1 (E) and YBX1 (F) in different groupings, cluster (A) in blue and cluster (B) in red.
