Ligand‐receptor pairs (CLDN3‐CLDN3, CLDN11‐CLDN11, and PPIA‐BSG) associated with ECM‐related cell types (X3, X4) and cancer‐related cell types (X0, X1, and X2) within these pathways were identified and visualized (Figure 6k,l). Here, CLDN11 is linked to cancer.