PD-L1 expression in tumour-infiltrating lymphocytes is a poor prognostic factor for primary acral melanoma patients.
Min RenBo DaiYun-Yi KongJiao-Jie LvXu CaiPublished in: Histopathology (2018)
This is the first study to demonstrate that PD-L1 expression in TILs, but not that in tumour cells, is an independent predictor of poor prognosis in acral melanoma.