The results showed that the expression of FCHSD1 in LGG, LIHC, BLCA, UCEC, TGCT, LUAD, LUSC, KIRC, KIRP, BRCA, Cervical squamous cell carcinoma and endocervical adenocarcinoma (CESC), prostate adenocarcinoma (PRAD) was associated with different immune isotypes (Figures 4A–L). Here, FCHSD1 is linked to prostate adenocarcinoma.