しょう線源 せんげん治療 ちりょうではありませんでした
shōsengenchiryōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 小線源治療

1. Was not small-area radiation therapy.; Was not a small-source treatment.

Past/Perfective
Negative
Polite
Formal Register
Medicine