Expression of MG-Ags was observed obviously in lung cancer with the positive rate of 73.9%,in which expression of squamous cell carcinoma was 75%,adenocarcinoma87.5%,and small cell carcinoma 60.8%,large cell carcinoma 55.6%.

• 其中肺的腺癌阳性率为87.；5%25（28/32），肺的鳞癌阳性率为75%25（18/24），肺的小细胞癌阳性率为60