Objectives:To study the value of simultaneous determination of carcinoembryonic antigen (CEA),total cholesterol (Tch) and adenosine deaminase (ADA) in the differential diagnosis of ascitic etiology.

• 目的:研究联合检测癌胚抗原(carcinoembryonic antigen,CEA)、总胆固醇(total cholesterol,Tch)和腺苷脱氨酶(adenosine deaminase,ADA)等指标对腹水性质的鉴别诊断价值。