In this screen grab from a video released Thursday, Mark Dickey, 40, talks about his conditions while trapped inside the Morca cave in southern Turkey. He is a caving instructor and rescuer.

Teams from across Europe had rushed to Morca cave in southern Turkey's Taurus Mountains to aid Mark Dickey, a 40-year-old experienced caver who became seriously ill on Sept. 2 with stomach bleeding.

Mark Dickey, a U.S. caver who was trapped in the Morca cave system in Turkey on September 7, 2023, poses for a photo in Mentone, Alabama, in a May 12, 2023 file photo provided by the National Cave ...

A medical team takes care of American caver Mark Dickey, center, 40, inside the Morca cave near Anamur, southern Turkey, Saturday, Sept. 9, 2023. (AP) ...

In this screen grab from a video released Thursday, Mark Dickey, 40, talks about his conditions while trapped inside the Morca cave in southern Turkey. He is a caving instructor and rescuer.

In this screen grab from video, American caver Mark Dickey, 40, talks to camera next to a colleague inside the Morca cave near Anamur, southern Turkey, Thursday, Sept. 7, 2023.

Recovery crews from across Europe are working to save an ailing American researcher trapped deep inside a cave in southern Turkey. Mark Dickey, 40, was exploring the Morca cave, one of the deepest ...

Mark Dickey, 40, was more than 3,400 feet deep inside a Turkish cave when he began to suffer from stomach bleeding. Dozens of cave rescuers have joined to transport him out of the cavern.

Mark Dickey, 40, was more than 3,400 feet deep inside a Turkish cave when he began to suffer from stomach bleeding. Dozens of cave rescuers have joined to transport him out of the cavern.

Mark Dickey, 40, was more than 3,400 feet deep inside a Turkish cave when he began to suffer from stomach bleeding. Dozens of cave rescuers have joined to transport him out of the cavern.