Figure 3. Comparison of prognosis, TNM stage, grade, and age between the DNA methylation clusters. (A) Survival curves for each DNA methylation subtype in the training set. The horizontal axis represents survival time (days), and the vertical axis represents the probability of survival. The number of samples in each cluster is shown in parentheses in the legend. The log-rank test was used to assess the statistical significance of differences between subtypes. Stage score (B), topography score (C), lymphocyte infiltration (D), metastasis (E), and age (F) distributions for each DNA methylation subtype in the training set. The horizontal axis represents the DNA methylation clusters.