Stage 4 cancer at age 18. Why genetic predisposition is so dangerous Oncologist-surgeon Mikhail Brashvets shared the most difficult case from his practice. His patient was an 18-year-old girl diagnosed with stage 4 cancer. According to the doctor, the reason for such an early and aggressive development of the disease was a genetic predisposition. Watch the full episode of "I'm Inside".

Stage 4 cancer at age 18. Why genetic predisposition is so dangerous Oncologist-surgeon Mikhail Brashvets shared the most difficult case from his practice. His patient was an 18-year-old girl diagnosed with stage 4 cancer. According to the doctor, the reason for such an early and aggressive development of the disease was a genetic predisposition. Watch the full episode of "I'm Inside".