tumour-associated antigen ca 19-9 was determined in serum from 166 patients ( 30 without gastro-intestinal disease , 32 with liver cirrhosis , 9 with choledocholithiasis , 65 with acute or chronic pancreatitis and 30 with malignant tumors in the region of pancreas and bile passages ) .
C0017178
gastro-intestinal disease
C0023890
liver cirrhosis