Fig. 2

a Pathological findings. Macroscopically, multiple cysts with necrosis as heavy and hard lung. b Left lung hemorrhagic cystoid lesion in cut surface. c Hematoma, H.E. stain× 1. d Erythrocytes and fibrin, H.E. stain× 200 in arrow of Fig. 2c. e Necrotic tissue, H.E. stain× 100 in two head arrow of Fig. 2c. f Capillary vessel and fibroblast in the granulation tissue, H.E. stain× 200 in the three head arrow of Fig. 2c. g, h DAD H.E. × 200