だい動脈どうみゃく解離かいりじゃないです
daidōmyakukairijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 大動脈解離

1. Not a dissection of the aorta.; It's not an aortic dissection.

Negative
Polite
Casual Register
Medicine