SLC7A5 and pancreatic ductal adenocarcinoma: Furthermore, correlations between the LAT1 expression with poor prognosis have been indicated in various tumors including, but not limited to, triple negative breast cancer [13], highly proliferative ER+ subtype of breast cancer [14], bladder cancer [15], lung adenocarcinoma [16], lung neuroendocrine tumor [17], pancreatic ductal adenocarcinoma [18, 19], and biliary tract cancer [20].