Deryn Blackwell Was Dying From Cancer and Leukemia but Cheats Death

Deryn was told he wouldn't see Christmas. When he was 10 years-old he was diagnosed with leukemia. Then, he was diagnosed with the extremely rare Langerhans cell sarcoma.

Deryn was told he wouldn't see Christmas. When he was 10 years-old he was diagnosed with leukemia. Then, he was diagnosed with the extremely rare Langerhans cell sarcoma.

Deryn was told he wouldn't see Christmas. When he was 10 years-old he was diagnosed with leukemia. Then, he was diagnosed with the extremely rare Langerhans cell sarcoma.