In chronic bronchitis the inflammatory process is characterized by mucosa infiltration with neutrophils, macrophages, and lymphocytes, which results in epithelial disruption, smooth muscle hypertrophy, and fibrosis.
In chronic bronchitis the inflammatory process is characterizedby mucosa infiltration with neutrophils,macrophages, and lymphocytes, which results in epithelialdisruption, smooth muscle hypertrophy, and fibrosis.