My friend is coughing up blood a sign of lung cancer ?

Question by : My friend is coughing up blood a sign of lung cancer ?
My friend coughs up blood after playing any king of sport. She is 14 years old. Is it possible she is having lung cancer ?
No one in her family smokes but she says that she had been exposed to some passive smoking.

Best answer:

Answer by Michelle
The best bet is that her nose bleeds and it’s going to her throat. If not, it can be a very serious lung issue.

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