Human breast cancer ER+/HER2+ (10X Visium): https://support.10xgenomics.com/spatial-gene-expression/datasets/1.1.0/V1_Breast_Cancer_Block_A_Section_1, with matched scRNA-seq from GSE176078: CID3586, CID4066 in the GEO database. The gene discussed is ERBB2; the disease is breast cancer.