hemopneumothorax

noun

he·​mo·​pneu·​mo·​tho·​rax

variants or chiefly British haemopneumothorax

ˌhē-mə-ˌn(y)ü-mə-ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r- 

plural hemopneumothoraxes or hemopneumothoraces -ˈthōr-ə-ˌsēz, -ˈthȯr- 

: the accumulation of blood and air in the pleural cavity