CA199 high 57 do not need to panic, CA199 high may be caused by neoplastic diseases or inflammatory diseases, we should consult the doctor in time, clear diagnosis, and then treat the cause. 1. Tumor lesions: CA199 is a tumor marker, the normal value of CA199 is <40KU/L, and its elevation is related to pancreatic cancer, gallbladder cancer, cholangiocarcinoma, rectal cancer, colon cancer, gastric cancer and other diseases. It cannot be diagnosed by a single marker, but also needs to be combined with abdominal CT, gastroscopy, enteroscopy and pathologic examination for differential diagnosis. 2. Inflammatory diseases: acute pancreatitis, cholelithiasis, acute hepatitis, cirrhosis, cholestatic cholangitis and other diseases, can also appear different degrees of elevation, need to be combined with routine blood, liver function tests, abdominal CT and other tests for differential diagnosis. CA199 is high 57 suggest that the patient should consult the doctor in time, improve the examination, clarify the cause of the disease, and actively treat the symptoms to avoid delaying the condition.