CACNA2D2 and neoplasm: Excitingly, DSRCT tumor sections exhibited the highest IRS for CACNA2D2 (IRSmean = 10.5, 6 ≤ IRSDSRCT ≤ 12, P < 0.001) (Supplementary Figure S4E‐F), with specificity reaching 98% when applying a cutoff of IRS > 1 (Figure 1K‐M, Supplementary Figure S4E).