ɪɾ ɪz ɐ ɹˈɛɹ kəndˈɪʃən ðæt ɐfˈɛkts ˈoʊnli sˈɪks pɚsˈɛnt ʌvðə wˈɜːldz pˌɑːpjʊlˈeɪʃən, ænd ʌv ðiːz fjˈuː, ˈoʊnli wˈʌn pɚsˈɛnt ˈɛvɚ hæv sˈɪmptəmz ðæt ɹᵻkwˈaɪɚ sˈɜːdʒɚɹi.
It is a rare condition that affects only 6% of the world's population, and of these few, only 1% ever have symptoms that require surgery.