CD8A and neoplasm: High CD8 T-cell infiltration characterized by high CD8+ T-cell to tumor cell ratio was observed in Lauren’s mixed or diffuse type tumors compared to intestinal type tumors (p = 0.012), in earlier stage I-II tumors compared to stage III-IV tumors (p = 0.036), and in more poorly differentiated tumors (p = 0.046) but was not associated with other clinical characteristics.