COL4A1 and neoplasm: Locations of all cells in the FOV are shown in Fig. 5B. Boxplots were also constructed to link cellular phenotypes with the greatest expressions of COL4A1 and ITGAV. This showed that fibroblasts, myofibroblasts, and kidney-specific cell types (like tumor cells and endothelium) had the highest expression (Fig. 5D).