There is a pressure sore extending into the subcutaneous tissue but underlying structures are not involved. Stage of the pressure sore is

Surgery

There is a pressure sore extending into the subcutaneous tissue but underlying structures are not involved. Stage of the pressure sore 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?