50 years old man present complaints of painful tender mass situated one third of the way between xiphisternum and umbilicus what is the likely diagnosis

Surgery

50 years old man present complaints of painful tender mass situated one third of the way between xiphisternum and umbilicus what is the likely diagnosis

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?