Research Article
Enhanced Suppressive Activity of Regulatory T Cells in the Microenvironment of Malignant Pleural Effusions
Figure 3
Frequencies of Tregs within all lymphocytes and CD4+ and CD4+CD25+ cells in three cytologically determined groups of pleural effusions: malignant effusions with malignant cells (I), malignant effusions without malignant cells (II), and nonmalignant pleural effusions (III). ;