When examining a patient, the doctor revealed a tumor of the bronchus which borders on the aorta. Which bronchus is affected?

Answer options

1. Left upper lobar
2. Right principal
3. Middle lobar
4. Left principal
5. Right upper lobar

Explanation

The Aorta arises from the left part of the heart, the Left main bronchus arises from the left lung. A tumor would affect them both as they are located on the same side.