Fig. 2

Membranous staining of PD-L1 positive cells in ovarian tumors. Diffuse membranous staining of almost all ovarian cancer cells (a) versus focal strong membranous staining in a few scattered tumor cells positive for PDL1 (b)
Membranous staining of PD-L1 positive cells in ovarian tumors. Diffuse membranous staining of almost all ovarian cancer cells (a) versus focal strong membranous staining in a few scattered tumor cells positive for PDL1 (b)