intracavitary
adjective
in·tra·cav·i·tary
| \ -ˈkav-ə-ˌter-ē
\
\
Medical Definition of intracavitary
: situated or occurring within a body cavity
especially
: of, relating to, or being treatment (as of cancer) characterized by the insertion of especially radioactive substances in a cavity
treatment of cervical cancer by intracavitary irradiation