According to the Bismuth-Corlette classification system, perihilar cholangiocarcinomas extending into the right secondary intrahepatic ducts are classified as

Surgery

According to the Bismuth-Corlette classification system, perihilar cholangiocarcinomas extending into the right secondary intrahepatic ducts are classified as

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?