CEA 18 is cancer.

Carcinoembryonic antigen is generally used to detect digestive tract tumors, because colorectal cancer, pancreatic cancer, gastric cancer and other malignant tumors occur, carcinoembryonic antigen will increase. But this indicator is not specific, smokers or cardiovascular disease, diabetes, non-specific enteritis, pancreatitis and other diseases occur, there are about 15%~50% of patients, this indicator will also increase, so only by this indicator abnormal, can not judge whether malignant tumors exist. In diagnosis, only auxiliary value. In the diagnosis of malignant tumor, only play a clinical prompt and early warning role, need to combine with relevant examination to make a definite diagnosis.