凍結 とうけつ手術 しゅじゅつじゃなかったです
tōketsushujutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 凍結手術

1. Wasn't cryosurgery.; Wasn't frozen.

Past/Perfective
Negative
Polite
Casual Register