Pathology o Lobar pneumonia: congestion-red hepatization- grey hepatization-resolution o Bronchopneumonia: patchy consolidation neutrophilic exudate centered in bronchi(ioles centrifugal spread o Miliary pneumonia: bloodstream spread or blood dissemination induced numerous discrete lesions(2-3mm in diameter) o Interstitial pneumonia: patchy or diffuse Lobar pneumonia: congestion-red hepatization￾grey hepatization-resolution  Bronchopneumonia: patchy consolidation, neutrophilic exudate centerted in bronchi(ioles), centrifugal spread  Miliary pneumonia: bloodstream spread or blood dissemination induced numerous discrete lesions (2-3mm in diameter)  Interstitial pneumonia: patchy or diffuse