潰瘍性大腸炎
a serious chronic inflammatory disease of the large intestine and rectum characterized by recurrent episodes of abdominal pain and fever and chills and profuse diarrhea
大腸と直腸の深刻な慢性の炎症性病気で、腹痛、発熱、寒気、激しい下痢を繰り返す症状がある