Figure 4: Individual bar chart of distribution of regulatory T cells in a population of CD4-positive lymphocytes of blood, expressing CD25 and Foxp3, in a patient with fibrous-cavernous pulmonary tuberculosis (patient S., 53 years old, diagnosed with fibrous-cavernous tuberculosis of the upper lobe of the left lung in a phase of infiltration and semination, MTB (+)). The relative content of CD4+CD25+hiFoxp3+ cells (upper-right quadrant) is 11%, CD4+CD25Foxp3+ cells (upper-left quadrant) is 13,5%, CD4+CD25+ Foxp3 cells (lower-right quadrant) is 25.3%.