colon descendens的用法和樣例：
例句
- A postoperative histology confirmed the presence of a benign submucosal lipoma of the descending colon.
組織學(xué)檢查顯示該大腸腫瘤為降結腸黏膜下脂肪瘤。 - The encircling mass of firm adenocarcinoma in this colon at the left is typical for adenocarcinomas arising in the descending colon.
左側顯示結腸堅硬腺癌的浸潤性包塊，是發(fā)生在降結腸的典型的腺癌。
