Of note, the ratio between the EEF1A2 and ESR1 copy number did not change significantly between the PCa and BPH groups (EEF1A2/ESR1 PCa vs. BPH: median 0.91 vs. 0.92, p-value: 0.737) (Table 4). Here, EEF1A2 is linked to benign prostatic hyperplasia.