だい動脈 どうみゃく べん閉鎖 へいさ不全 ふぜん しょうじゃありませんでした
daidōmyakube n'e isa fuzen shōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 大動脈弁閉鎖不全症

1. Was not aortic valve insufficiency.; Was not a case of aortic valve insufficiency.

Past/Perfective
Negative
Polite
Terminal Form
Medicine