Lobular Pneumonia: Affecting by lobules.

Acute Pneumonia: Subacute Pneumonia. Chronic Pneumonia.

Croupous or Fibrinous: With fibrinous exudate.

Catarrhal: With exudate rich in cells and granules.

Hæmorrhagic: With extravasation of blood.

Purulent: Tending to pus: abscess.

Necrotic: Tending to gangrene: sequestra.

Desquamative: With great proliferation of alveolar epithelium.

Interstitial. Interlobular: Affecting mainly the interlobular connective tissue.

Hypostatic: Dependent on gravitation of the blood.