Adenocarcinoma in oesophagus occurs in
BARRETT's ulcer is an ulcer in columnar epithelium lined Barrett's oesophagus. It is more prone for Bleeding, Perforation, and Adenocarcinoma of oesophagus( very high, more than 40 times). Treatment for Barrett's ulcer is endoscopic biopsy and resection. Reference: SRB's Manual of Surgery, 6th Edition, page no= 788.
Midline oesophagus
Upper oesophagus
Barrett's esophagus
Zenkers diveiculum
G.I.T