- Grading system for hiatus hernias using retroflexed scope, (seeing if GOJ grips scope)
- Hill 1
- Tight approximation of the gastroesophageal fold against the endoscope.
- Hill 2
- Loose grip of the gastroesophageal valve around the endoscope, with intermittent opening.
- Hill 3
- Presence of a hiatal hernia, characterized by a visible gap between the squamocolumnar junction and the diaphragmatic crura.
- Hill 4
- Large hiatal hernia with a wider diaphragmatic opening
AFS Hiatus Grade
