SPP1 and neoplasm: Markers of SPP1+MAM+, tumour-associated macrophages (TAMs) (Mulder et al., 2021), lipid-associated macrophages (LAMs) (Jaitin et al., 2019), disease-associated microglia (DAM) (Keren-Shaul et al., 2017; Silvin et al., 2022), and scar-associated macrophages (SAMs) (Ramachandran et al., 2019) are indicated in the heatmap.