Epithelial membrane antigen (EMA), carcinoembryonic antigen (CEA), (CAL), (CK) 17, CK18 and vimentin (VIM) were detected in 58 serous specimens.

• 结果在58例积液标本中，免疫细胞化学鉴别出恶性积液38例，反应性积液20例。