経鼻 けいび内視 ないし きょうじゃありません
keibi naishi kyōjārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 経鼻内視鏡

1. It is not a nasal endoscopy.; It's not a nasal endoscope.

Negative
Polite
Terminal Form