Figure 10

The pathology observations of the 5 distances at Point 6 (A) 40 cm, an accumulation of alveolar interstitial fluid and blood and necrosis of the alveolar; (B) 50 cm, the edema and alveolar bleeding; (C) 60 cm, mild edema and bleeding; (D) 70 cm, mild edema and bleeding; (E) 80 cm, almost normal alveoli; F: Untreated Group, no injury found).