Carcinoembryonic antigen 6.2ng/ml is abnormal and is a slight elevation, the normal range should be ≤5ng/ml. Carcinoembryonic antigen is a kind of tumor marker, which is mainly used to assist the diagnosis of malignant tumors in clinic. Elevated carcinoembryonic antigen can be seen in pancreatic cancer, rectal cancer, colon cancer, breast cancer, stomach cancer, lung cancer and other malignant tumors. Carcinoembryonic antigen 6.2mg/ml is a mild elevation, which does not mean that one will suffer from malignant tumors. Elevated carcinoembryonic antigen may also occur in diseases such as colitis, pancreatitis, cirrhosis of the liver, emphysema and so on. It needs to be considered together with the patient’s symptoms and other examination results. It is recommended that the patient should improve the relevant examination, cooperate with the doctor’s treatment if necessary, and have a regular review to see whether the indexes return to normal.