This document outlines several medical conditions including gingivitis, herpes simplex types 1 and 2, thrush, achalasia, Barrett's esophagus, and oral cancer. It includes arrows pointing to an outline of a massively dilated esophagus related to achalasia.

2. Gingivitis

3. Herpes Simplex
 Herpes Simplex type 1
Herpes Simplex type 2

4. Thrush

5. Achalasia
Arrows point to the outline of the
massively dilated esophagus

6. Barrett’s Esophagus

7. Oral Cancer