Akademik

intrathoracic
Within the cavity of the chest.

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in·tra·tho·rac·ic -thə-'ras-ik adj situated, occurring, or performed within the thorax <\intrathoracic pressure>
in·tra·tho·rac·i·cal·ly adv

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in·tra·tho·rac·ic (in″trə-thə-rasґik) endothoracic.

Medical dictionary. 2011.