After thyroidectomy for medullary carcinoma of thyroid, which is impoant for determining recurrence of a tumour?

Surgery

After thyroidectomy for medullary carcinoma of thyroid, which is impoant for determining recurrence of a tumour?

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?