Conversation: The conversation between human and AI assistant.
[|Human|] I just had a blood test and the CEA level is 2.7. I was told for a non-smoker the normal is 2.5, so I am over borderline. I was also told that some lab determines 3.0 is normal so it that applies, my 2.7 is still within the normal range. Should I be concerned about this number?
[|AI|]  Hi, dairy have gone through your question. I can understand your concern. Your CEA level is within normal limit. No need to worry about that. It is a marker of intestinal carcinoma. But in smoker the level of 2.7 is common. Just be relaxed. However, you should go for repeat test after 3 months. Hope I have answered your question, if you have any doubts then contact me at bit.ly/ Chat Doctor. Thanks for using Chat Doctor. Wish you a very good health.