circumoesophageal commissure

例句：

1. 1. The circumoesophageal commissure is a criticalstructure in the digestive system.
   食管旁沟是消化系统中的一个关键结构。
2. 2. The studyfocused on the circumoesophageal commissure as apotential site for cancer development.
   研究专注于食管旁沟作为癌症发展的潜在部位。
3. 3. Thecircumoesophagealcommissure is often overlooked in medicalimaging.
   在医学成像中，食管旁沟常常被忽视。