Besides, stratified clusters were slightly related to the histologic grade, cancer type, tumor stage, and TNM stage, while presenting no correlation with PIK3CA, KMT2D, PCLO, FAT4, ARID1A, LRP1B, and TP53 mutations (Figures 2(d)–2(f) and Supplementary Table 1). The gene discussed is ARID1A; the disease is cancer.