だい血管 けっかん転位 てんいではありませんでした
daikekkanten'idewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大血管転位

1. Was not transposition of the great arteries.; Was not a transposition of the great vessels.

Past/Perfective
Negative
Polite
Formal Register
Medicine