A member asked:

Found 6mm lung nodule radiologist says no follow up if non smoker i've never smoked but work as plumber don't want to ignore this please advise?

A doctor has provided 1 answer

F/up CT 1yr: This is a difficult request to provide an answer in this format. Subcentimeter nodules are rarely malignant. It is suggest that nodules of 4-6mm in size have a 0.8% risk of being malignant in one study to up to a 5% risk in another series. Risk factors,e.g. smoking,etc may alter the risk. It is generally felt that it would be wise to perform a follow-up CT scan in 1 year with a nodule 4-6mm.

Answered 11/20/2017

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Can a radiologist tell if a lung nodule is benign by just looking at it?

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