L1CAM and non-small cell lung carcinoma: Tischler and co-workers evaluated L1CAM protein expression in 468 patients with non-small cell lung cancer, and demonstrated that high L1CAM expression was significantly correlated with distant metastasis, and an independent prognostic factor for OS.31 Consistent with these findings, one of the major results in our study was the clinical impact of L1CAM expression in GC patients.