47例NSCLC-NED患者中,男38例(38/47, 80.9%),女9例(9/47, 19.1%); 中位年龄61岁(45岁-78岁),≤70岁者34例(34/47, 72.3%),> 70岁者13例(13/47, 27.7%); 37例(37/44, 84.1%)为低分化癌(包括低分化腺癌、低分化鳞癌及低分化癌)伴NED,10例(10/44, 15.9%)为中分化癌(包括中分化腺癌、中分化鳞癌)伴NED; 11例(11/47, 23.4%)为轻度吸烟或不吸烟,36例(36/47, 76.6%)为重度吸烟; 2例(2/47, 4.3%)为驱动基因阳性(EGFR突变者1例,ALK阳性者1例),45例为野生型肺腺癌(45/47, 95.7%),见表 1。. Here, EGFR is linked to non-small cell lung carcinoma.