PTPRC and neoplasm: The cell types and markers we explored were as follows: tumor epithelial cells (E-cadherin as a marker), cancer-associated fibroblasts (CAFs; Collagen1A1), endothelial cells (Von Willebrand Factor [VWF]), the immune compartment (CD45), T cells (CD3G), myeloid cells (CD33), and macrophages (CD14).