SLC2A1 and adenocarcinoma: Two key players of tumor cell metabolism, the lactate transporter SLC16A3 (MCT4) and glucose transporter SLC2A1 (GLUT1) were included because these probes were not present in the cancer panel, but it has been reported that high MCT4 and GLUT1 expression is associated with poor overall survival of adenocarcinoma patients [36].