"A woman goes to see a doctor in the USA to get her test results. The doctor says 'First you have to pay me. It costs $302.' The woman reaches into her wallet and hands the doctor $300. The doctor looks at the money, looks at the woman, and says 'tumour'."
It's clear to me now why the players remaining in the PokerStars Festival Rozvadov Main Event are sat down playing cards instead of on stage telling jokes.
Read more on the PokerStars Blog.