低酸 ていさん のう しょうではありませんでした
teisan sono ushōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 低酸素脳症

1. Was not hypoxic encephalopathy.; Was not cerebral hypoxia.

Past/Perfective
Negative
Polite
Formal Register