CD8A and neoplasm: The yellow module showed a significant correlation with CD8+ T cell (Cor = 0.78, p = 9.7e − 59), tumor purity (Cor = 0.86, p = 1.7e − 83), immune score (Cor = 0.98, p = 1.2e − 197), and stomal score (Cor = 0.28, p = 1.9e − 06).