No mistaking what you are getting there, Sid.
Here is a photo taken recently of a sign in a hospital in Shenzhen, China, by a friend of my brother-in-law.
Absolutely no mistaking what this examination is for.
It contains a very rude word so I can't display the photo in the refined world of Dover Forum!
http://shipsintheportofdover.fotopic.net/p63616518.html