C16orf54 and cholangiocarcinoma: Forest plots of PFI revealed that high C16orf54 mRNA levels were associated with a poor prognosis in LGG and UVM while low levels were associated with a poor prognosis in LIHC, CESC, SKCM, SKCM-M, BRCA, LUAD, cholangiocarcinoma (CHOL), ACC, and SARC (Figure 2(l)).