Objective To study the differential value of carcinoembryonic antigen(CEA) and adenosine deaminase adenase(ADA) between tuberculous and malignant thoracico abdominal cavity exudate.

• 目的 探讨癌胚抗原 (CEA)和腺苷脱氨酶 (ADA )的检测对良性 (结核 )与恶性胸腔积液的鉴别价值。