in 18 normal subjects and 68 patients with benign and malignant diseases , it was found that ca 19-9 content in the pancreatic juice was significantly increased in pancreatic , ampullary , and choledochal cancer patients , whereas in chronic pancreatitis patients it was normal , indicating that it is a specific and valuable tumor marker in differential diagnosis of pancreatic cancer .
C0030274
pancreatic
C0149521
chronic pancreatitis