mediastinitis

noun
me·​di·​as·​ti·​ni·​tis | \ ˌmēd-ē-ˌas-tə-ˈnīt-əs \
plural mediastinitides\ -​ˈnit-​ə-​ˌdēz \

Medical Definition of mediastinitis

: inflammation of the tissues of the mediastinum

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