also: きょうくう
noun
thoracic cavity; chest cavity
Anatomical term for the cavity enclosed by the ribs, containing the lungs and heart.
胸腔内に液体がたまることがあります。
Fluid can accumulate in the thoracic cavity.
胸腔鏡手術は低侵襲です
Thoracoscopic surgery is minimally invasive.
From 胸 (chest) + 腔 (cavity). A straightforward medical compound.