PTPRC and esophageal squamous cell carcinoma: After quality control, a total of 110,088 cells including 44,340 CD45- and 65,748 CD45+ cells from 43 ESCC patients were analyzed and seven main cell types were identified: epithelial cells (18,791), fibroblast (17,004), endothelial cells (6,397), pericytes (2,148), T cells (43,892), B cells (11,847) and myeloid cells (10,009) (Figures 4A and 4B).