title: Cancer invasion and lymphocyte function in pleural effusion.
mesh_terms: D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000276:immunology; D008213:Lymphocyte Activation; D008479:Mediastinal Neoplasms / Q000276:immunology; D008654:Mesothelioma / Q000276:immunology; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D010996:Pleural Effusion / Q000276:immunology*; D012397:Rosette Formation; D014062:Tongue Neoplasms / Q000276:immunology