Intratumor spatial heterogeneity in programmed death-ligand 1 (PD-L1) protein expression in early-stage breast cancer

ConclusionThese results indicate that the overall 84% concordance is driven by concordant negative results. In PD-L1 positive cancers, within-tumor heterogeneity in PD-L1 expression exists.

http://link.springer.com/10.1007/s10549-023-06977-1

Source: Breast Cancer Research and Treatment - July 22, 2023 Category: Cancer & Oncology Source Type: research