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. 2021 Apr 21;11:618767. doi: 10.3389/fonc.2021.618767

Figure 3.

Figure 3

Tumor mutational burden (TMB) of Chinese breast cancer. Violin diagram comparing the distribution of TMB across molecular subtypes between Chinese breast cancer and the whole TCGA breast cancer cohort (A), African-American patients in the TCGA cohort (B), Caucasian patients in the TCGA cohort (C), and Asian patients in the TCGA cohort (D). The outline of the violins shows the mirrored kernel density, with the red dot indicating the median. Statistical comparisons were performed using Mann–Whitney U tests.