血管 けっかん拡張 かくちょう せい肉芽 にくげ しゅでした
kekkankakuchōseinikuge shudeshita

Noun
Desu Copula

The polite past form of 血管拡張性肉芽腫

1. It was angioblastic sarcoma.

Past/Perfective
Polite