自然 しぜん気胸 ききょうじゃありませんでした
shizen kikyōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自然気胸

1. It was not a pneumothorax.; It was not natural pneumothorax.

Past/Perfective
Negative
Polite
Terminal Form
Medicine