According to 8th AJCC TNM classification of carcinoma Gallbladder, minimum number of LN involved in N2?

Surgery

According to 8th AJCC TNM classification of carcinoma Gallbladder, minimum number of LN involved in N2?

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?