NSD3 and cancer: 29 found that WHSC1L1 was up‐regulated in various human cancers including bladder carcinoma, which was not consist with our findings that WHSC1L1 was slightly elevated in BCa. The possible reason is that we relied on the TCGA database for which the patients came from North America while Kang's research enrolled Japanese patients; the geographical differences may lead to the inconsistence in WHSC1L1 expression level.