NKX3-1 and neoplasm: Song et al. (Song et al. 2022) have reported tumor-associated epithelial cells, including malignant luminal epithelial cells (KLK2, KLK3, ACPP, NKX3-1), malignant basal epithelial cells (KRT5, KRT15, KRT17, and TP63), neuroendocrine cells (CHGB, KRT4, LY6D) and club cells (LTF/NKX3-1high, SCGB3A1/LCN2low).