An American retiree spent $18,807 for cancer treatment abroad. She said medical tourism saved her money and stress.

Billy and Akaisha Kaderli travel the world in retirement. When Akaisha was diagnosed with breast cancer, they sought treatment abroad.

Photo Courtesy Billy and Akaisha Kaderli

• Akaisha and Billy Kaderli retired early to travel the world.
• When Akaisha was diagnosed with cancer, the couple sought affordable treatment in Mexico, Vietnam, and Thailand.
• They aren't alone: rising US healthcare costs have pushed some Americans toward medical tourism.

When Akaisha...