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What is Adenocarcinoma of esophagus is commonly found in and explain in detail?
Answer is B (Barret's esophagus) Adenocarcinoma is seen in Barret's esophagus Barret's esophagus is a metaplastic change in the lining mucosa of oesophagus in response to chronic gastroesophagus reflex. In Barret's esophagus the junction between oesophageal mucosa (squammous) and gastric mucosa (columnar) moves proximally such that the lower pa of esophagus now becomes lined with different types of gastric mucosa. This pa of oesophagus has an increased risk for adenocarcinoma i.e. Adenocarcinoma is seen in Barrets esophagus.