Inverse relationship between amount and tumor CD274 (PD-L1) expression in colorectal carcinoma. Ugai T, Shimizu T, Kawamura H, et al. Inverse relationship between amount and tumor CD274 (PD-L1) expression in colorectal carcinoma. Clinical & translational immunology. 2023;12(8):e1453. doi:10.1002/cti2.1453 Read more