Can coughing up blood be harmless?

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2. Would esophageal cancer show up in blood work?
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4. Will chest xray show esophageal cancer?
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Tags

1. #usually
2. #chest
3. #prolonged
4. #cough
5. #amounts
6. #frothy
7. #healthy
8. #young
9. #coughing
10. #small
11. #otherwise
12. #sputum
13. #phlegm
14. #lungs
15. #often
16. #alarming
17. #blood
18. #serious
19. #infection
20. #streaked
21. #result
22. #bright
23. #problem