The positive expression rate of CEA increased significantly in lung adenocarcinoma, and SCC and CA211 in lung squamous cell carcinoma and lung adenocarcinoma, while NSE in small cell lung cancer.

CEA在肺腺癌中表达阳性率明显增高；scc、CA211在肺鳞癌和腺癌中表达阳性率明显增高；nse在小细胞肺癌中表达阳性率明显增高。

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