Distribution of immune cells in different type of TB lung granulomas^*.

Average number of cells +/− SEM per x100 microscopic field; 3–7 fields per tissue sample; * cell counts are independent of bacillary load for cavitary lesion; **all CD68+ cells; *** multinucleated giant cells; n/d—not determined; n/f-not found Distribution of immune cells in different type of TB lung granulomas*.