am a 23 year old caucasian male with a 2 pack year history of smoking.Nothing else from medical history.I was recently worried about the possibility that I may have Nail clubbing so I went to some doctors to check about it.2 pulmonologists said that I indeed have this symptom,but 1 rheumatologist 1 cardiologist and 3 internists disagreed.Anyway I did the following tests: CXR : Normal , US/Doppler of phalanges : Normal ,Thyroid Hormones:Normal A1 antithrypsin:Normal,Spirometry:Normal,
Hand X Ray :No sign of periosteal reaction
ECG,Cardiac Echo: Normal,Liver enzymes:Normal,Regular Blood test:normal.Also,Schammroth's window is present but small.Iam very anxious about the possibility of having lung cancer.What should I do?
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replied September 29th, 2018
Thank you for asking at Ehealth forum!

I read your question and I understand your concern.
Even if clubbing is present still its not a hallmark sign. It can be normal .
I hope it helps. Stay in touch with your healthcare provider for further guidance as our answers are just for education and counselling purposes and cannot be an alternative to actual visit to a doctor.
Take care
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