Doctors told a woman she was too young for colon cancer and dismissed her symptoms for years. At 22, she was diagnosed with stage 3 colon cancer.

Source: Business Insider

Scheller was diagnosed with stage 3 colon cancer at 22. Now 36, she is cancer-free and gets routine screenings. Kirsten SchellerKirsten Scheller first started experiencing blood in her stool when she was 19.