Lateral X-ray of a<unk>  AP X-ray of a<unk>  A combination of the simple barium swallow and a thorough endoscopy will normally confirm the diverticulum.
Zenker's diverticulum
Barrett's esophagus
Killian–Jamieson diverticulum
Zenker's degeneration
Herpes esophagitis
Nutcracker esophagus
Trevor disease
Hunner's ulcer