硝子 がらす たい手術 しゅじゅつではありません
garasutai shujutsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 硝子体手術

1. Is not a vitrectomy.; Is not a vitreous surgery.

Negative
Polite
Formal Register
Medicine