The carbohydrate antigen CA50 was examined in serum level of 45 normal persons, 201 patients with benign diseases and 336 patients with malignannt tumor by immumoradiometric assay (IRMA).

• 本文报道我院用CA50IRMA测定45名正常人和201树非肿瘤患者及3.；36例恶性肿瘤患者血清CA50含量。