Fig. 1From: Tumor Area Positivity (TAP) score of programmed death-ligand 1 (PD-L1): a novel visual estimation method for combined tumor cell and immune cell scoringIdentification of tumor area. Tumor area is defined as the area occupied by all viable TC and the tumor-associated stroma containing tumor-associated IC. H&E hematoxylin and eosin, IC immune cells, TC tumor cellsBack to article page