LAD1 and cancer: LAD1 expression was higher in patients with early-stage cancer compared to late-stage cancer (stage I+II—median: 11.10 [EU], range: 0.86–592.70 [EU]; stage III+IV—median: 8.55 [EU], range: 1.77–268.90 [EU]), though no statistical significance could be shown (p = ns) (Figure 3C).