MRPL41 and posterior cortical atrophy: Figure 9E shows that GGCT and MRPL41 were highly stained in PCa tissues, while C2 was not detected. Next, based on these genes, we constructed 117 prognostic models using TCGA-PRAD as a training set and validated them in the GSE70769 dataset. The C-index was calculated in both cohorts. We found that the StepCox[forward] + plsRcox model achieved the best results based on the ranking of the average C-index across all cohorts and the validation cohort (Figure 9F).