sigmoid mesocolon

• 乙状结肠系膜

sigmoid mesocolon的用法和样例：

例句

1. Although leiomyosarcoma arising primarily in the sigmoid mesocolon is rare, these sarcomas can be considered a special kind of retroperitoneal tumors.
   摘要乙状结肠系膜平滑肌肉瘤属罕见病例。