Lower Gasterointestinal Hemorrhage的用法和樣例：
例句
- Lower G-I bleeding after an appendectomy is a rare complication.
摘要闌尾切除手術后發生下消化道出血，是相當罕見的手術併發症。 - Angiodysplasia of the colon is an important cause of lower GI bleeding.With increase popularity of the colonoscopic examination, more of this hind vascular lesion was detected.
摘要大腸血管形成異常是下消化道出血的一個重要原因，在大腸鏡檢查日益普及的今天，愈來愈多這類血管病變發現。
