1. With extensive involvement, the pleural space may be obliterated.
   胸膜的多方面累及，或許發生胸膜腔閉塞。
2. Microscopically, the fibrous pleural plaque is composed of dense layers of collagen.
   光學顯微鏡下屏蔽胸膜的人造纖維化是由膠原質所產生的非均質層。