GAS5 has an AMC value of 0.832 (P < 0.000 1; sensitivity 82.2%; specificity 72%), suggesting that it can be used to differentiate patients with NSCLC from the general population, in conjunction with its use with the commonly used currently CEA, and the AUC value reaches 0.909. This evidence concerns the gene GAS5 and non-small cell lung carcinoma.