T Lymphocyte Infiltration in Association with IDO1 Expression in Resected Lung Adenocarcinoma and Normal Adjacent Lung Tissues

Table 4

Tumor infiltration of CD4+ T cells in the three stages of lung adenocarcinomas.

Stages	Low CD4+ cells		High CD4+ cells
		%		%
I	4	10.0	36	90.0
II	7	53.9	7	46.2
III	12	80.0	3	20.0
Subtotal	23	33.8	46	67.6

Compared by Pearson’s test.