Tumor cell expression of programmed cell death‐1 ligand 1 is a prognostic factor for malignant melanoma

Abstract

: The current results indicated that there is a correlation between the degree of PD-L1 expression and the vertical growth of primary tumors in melanoma. Multivariate analysis demonstrated that PD-L1 expression is an independent prognostic factor for melanoma. Cancer 2010. (c) 2010 American Cancer Society.