Fig. 2From: Elevated tumor markers in a benign lung diseaseA Serum CA19-9 in PS patients, pneumonia patients and healthy controls. B Relative expression of CA19-9 in diseased and the corresponding normal lungs. C Comparison of CA19-9 between serum and cyst fluid in the 4 patients. D Serum CA19-9 of the 4 patients before and 7 days, 30 days and 90 days post operationBack to article page