Cell Differentiation; Epithelial Cells/immunology; Interleukin-9/immunology; Lymphocyte Activation/immunology; Pleura/pathology; T-Lymphocytes, Helper-Inducer/immunology; Tuberculosis/immunology; Adult; Antigen Presentation/drug effects; Antigen Presentation/immunology; Antigens, Bacterial/immunology; Apoptosis/drug effects; Cell Differentiation/drug effects; Cell Movement/drug effects; Chemokine CCL20/pharmacology; Epithelial Cells/drug effects; Epithelial Cells/microbiology; Epithelial Cells/pathology; Humans; Interferon-gamma/pharmacology; Interleukin-4/pharmacology; Ionomycin/pharmacology; Lymphocyte Activation/drug effects; Middle Aged; Mycobacterium tuberculosis/drug effects; Mycobacterium tuberculosis/immunology; Mycobacterium tuberculosis/physiology; Phenotype; Pleural Effusion/immunology; Pleural Effusion/microbiology; Pleural Effusion/pathology; Receptors, Chemokine/metabolism; T-Lymphocytes, Helper-Inducer/drug effects; Tetradecanoylphorbol Acetate/pharmacology; Tuberculosis/microbiology; Tuberculosis/pathology; Wound Healing/drug effects; Young Adult