凍結 とうけつ手術 しゅじゅつではありませんでした
tōketsushujutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 凍結手術

1. Was not cryosurgery.; Was not a freezing procedure.

Past/Perfective
Negative
Polite
Formal Register