Check out this two-minute segment from our upcoming documentary,Conquering Kilimanjaro. In this clip, you’ll meet the four cancer survivors who decided to make a big statement against the disease that tried to take their lives by scaling the world’s tallest freestanding mountain.

Find out the bold decision the climbers made that ultimately would decide whether one in their group of 16 or none would make it to the summit.

For bios on all 16 climbers, click here. And to see a photo gallery that covers the entire journey from basecamp in Tanzania to Uhuru Peak, click here.