Which of the following condition is associated with an increased risk of developing adenocarcinoma of esophagus?

Surgery

Which of the following condition is associated with an increased risk of developing adenocarcinoma of esophagus?

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?