A patient presents with a cavitatory lesion in right upper lobe of lung. The best investigation is:

Surgery

A patient presents with a cavitatory lesion in right upper lobe of lung. The best investigation 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?