IGFBP3 and neoplasm: After that, we re-subtypeed tumor cells, and annotated them according to each cell marker gene, and identified six tumor cell subtypes: C0 XIST+ tumor cells, C1 SCGB2A1+ tumor cells, C2 IGF2+ tumor cells, C3 UBE2C+ tumor cells, C4 TFF3+ tumor cells and C5 IGFBP3+ tumor cells.