system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Oesophagus crosses the diaphragm at the level of ?
assistant
The correct answer is  The distal end of the esophagus enters the abdominal cavity in the upper left quadrant by traversing the diaphragm at the T10 veebral level. The esophagus immediately transitions into the stomach, with the cardiac sphincter serving as the transition boundary. Coursing parallel to the esophagus are the anterior and posterior vagal trunks.