A male aged 60 years has foul breath. He regurgitates food that is eaten 3 days ago : Likely diagnosis is ?

Surgery

A male aged 60 years has foul breath. He regurgitates food that is eaten 3 days ago : Likely diagnosis is ?

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?