Can a mass in lung not be cancer?

Related questions

1. How many centimeters are in an inch on a ruler?
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3. Is a 2 cm brain tumor big?
4. Should I worry about lung nodules?
5. Can a large lung mass be benign?
6. Are lung nodules serious?
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8. Is a 1 cm lung tumor big?
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Tags

1. #cancers
2. #benign
3. #appear
4. #there
5. #common
6. #tumors
7. #sarcomas
8. #tumor
9. #causes
10. #hamartomas
11. #masses
12. #cancerous
13. #include
14. #lymphomas
15. #lungs