RAET1L and cholangiocarcinoma: Finally, to validate the prognostic value of NKG2DL genes, we downloaded the prognostic information of 586 CC patients related to the expression of the NKG2DL family genes (with the exception of ULBP5 (RAET1G) and ULBP6 (RAET1L)) from the GEO database, we excluded those cases without survival information, leaving 580 cases of OS and 575 cases of RFS (Supplementary Table 2).