SLC7A5 and cholangiocarcinoma: LAT1, besides hepatocellular [39,48], lung [49,50,51,60,62,63,64,135,136], colorectal [44,137,138], renal [42,59], ovarian [40,139], breast [57], tongue [140] and pancreatic cancer [54,55], has also been identified as a prognostic marker for multiple myeloma [141], melanoma [142], cholangiocarcinoma [143], biliary tract [144,145], laryngeal [146], bladder [147], prostate [65,148,149], thymic [150] cancer and endometrioid carcinoma [46], even though the latter showed contradicting results.