from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Outside the chest.
from The Century Dictionary and Cyclopedia
- Situated outside the thorax.
The ventilator, known as CNEP (continuous negative extrathoracic pressure), used changes in pressure to make the lungs expand and contract.
Those in the middle third have not been successfully treated by surgical methods, though various ingenious operations for the formation of an extrathoracic esophagus have been suggested as means of securing relief.