Intriguingly, high expression of MCT1 was not associated with poor survival in SCC patients (P = 0.9, HR = 0.98; CI = 0.78–1.25; n = 525; S2 Fig) but was in ADC patients (p = 5.3E-15, HR = 2.58, CI = 2.02–3.31, n = 719; Fig 5C). Here, SLC16A1 is linked to AIDS dementia complex.