American caver rescued after 11-day ordeal in Turkish cave

American Mark Dickey became seriously ill while exploring a cave in Turkey.
Dickey suffered gastrointestinal bleeding and couldn't climb out of the cave on his own.
An international rescue operation involving teams from Turkey and Europe took 11 days.
Dickey expressed gratitude for the successful rescue and plans to keep caving.
The complex rescue required widening passages, setting up camps, and navigating difficult terrain.