Fig. 5: The heterogeneity within the myeloid cells.

a 4 subclusters of myeloid cells were identified by UMAP analysis. b Marker gene expression of each cell type. c Comparison of cell count proportion of each cell type between imatinib resistant and sensitive patients. d mIHC staining of panCK (red), LYZ (green), IDO1 (magenta) and DAPI in GIST TME.