Most common site of Acral lentigo maligna sub type of malignant melanoma is?

Surgery

Most common site of Acral lentigo maligna sub type of malignant melanoma 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?