A member asked:

What's the chance of an occult lung cancer causing 7 years of fatigue and other non specific issues but not showing on a ct scan of the chest. thought about paraneoplastic syndrome but these seem very rare & cancer normally appears within a few years?

2 doctors weighed in across 2 answers
Dr. Clarence Grim answered

Specializes in Endocrinology

If you have been a smoker they are not zero. But would expect that it would be showing up after 7 years. Your body is talking to you. Listen and take good notes and share with your Dr to help get to the bottom of what is going on.

Answered 1/17/2022

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A lung cancer causing symptoms would not remain occult for 7 years. It is more likely that there is an alternative explanation for your symptoms.

Answered 1/23/2022

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