AnalyzerSentence analysis6SpansSentence血管肉腫はまれな悪性腫瘍です。1000 character limitAnalyzeSentence血けっ管かん肉にく腫しゅはまれな悪あく性せい腫しゅ瘍ようです。Span Details血けっ管かん肉にく腫しゅangiosarcomanounはtopic markergrammarまれrare; uncommon; seldom-> 稀na-adjectiveなadnominal form of the copula after a na-adjectivegrammar悪あく性せい腫しゅ瘍ようmalignant tumor; cancernounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit