TGFBR1 and neoplasm: Hypoxia-inducible lipid droplet-associated (HILPDA) (65, 66) was overexpressed in multiple tumor types, HILPDA was positively correlated with tumor-associated macrophages (TAM) infiltration, and immunosuppressive genes, such as PD-L1, PD-1, TGFB1, and TGFBR1.