だい動脈 どうみゃく べん閉鎖 へいさ不全 ふぜん しょうではありません
daidōmyakube n'e isa fuzen shōdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 大動脈弁閉鎖不全症

1. Not aortic valve insufficiency.; Not having aortic valve insufficiency.

Negative
Polite
Formal Register
Medicine