Tumor marker CA199 consistently elevated to 117ku/L within three months is relatively high and requires prompt medical attention. Tumor marker CA199 is the first choice for clinical screening of malignant tumors of gastrointestinal tract, liver and gallbladder, pancreatic cancer, etc. Normal reference value of CA199 is <37kU/L. Elevated CA199 can be seen in malignant diseases such as gallbladder cancer, pancreatic cancer, etc., and can also be found in pancreatitis, cholelithiasis, hepatitis, cirrhosis, etc. If CA199 exceeds the reference value and continues to be elevated within three months, it is relatively high and requires prompt medical attention. If CA199 exceeds the reference value and continues to rise within three months and reaches 117kU/L, it is considered that the disease is likely to progress, and it is necessary to consult a doctor as soon as possible to improve imaging and pathology and other related examinations. It is recommended to consult a doctor as soon as possible for standardized diagnosis and treatment.