thoracic cavity vs chest cavity

thoracic cavity and chest cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
thoracic cavity	Yes	No	No	No
chest cavity	Yes	No	No	No

As nouns, thoracic cavity and chest cavity are synonyms defined as:

thoracic cavity and chest cavity: the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart

thoracic cavity (noun)	chest cavity (noun)
the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart	the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart