良性 りょうせい腫瘍 しゅようではありませんでした
ryōsei shuyōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 良性腫瘍

1. Was not a benign tumor.; Was not a non-cancerous tumor.

Past/Perfective
Negative
Polite
Formal Register