Though not the most common occurrence, Automation Engineers sometimes become Automation Engineering Managers, where the average income is $105K per year.
For example, the antrum of the stomach (gastric antrum) is a portion before the outlet, which is lined by mucosa and does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary antrum.
The cardiac notch (incisura cardiaca gastri) is the acute angle between the left border of the abdominal esophagus and the fundus of the stomach, which is the part of stomach above a horizontal line drawn from the cardia. The body (corpus) of the stomach leads to the pyloric antrum (at the incisura angularis).