内視ないしきょう手術しゅじゅつじゃなかったです
naishi kyō shujutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 内視鏡手術

1. Wasn't an endoscopy.; Wasn't endoscopic surgery.

Past/Perfective
Negative
Polite
Casual Register