CEACAM5 and lung adenocarcinoma: Furthermore, we further detected the correlation of GBP1 with clinical characteristics in lung adenocarcinoma patients, and found that its high expression was correlated with larger tumor size, presence of LYN metastasis, advanced TNM stage, and abnormal preoperative CEA level, suggesting the positive correlation of GBP1 with advanced tumor features of lung adenocarcinoma.