L1CAM staining was unrelated to tumor phenotype in muscle-invasive urothelial carcinoma, clear cell and papillary RCC, serous high-grade carcinoma of the ovary, endometrioid endometrium carcinoma, gastric adenocarcinoma and in pancreatic ductal adenocarcinoma. Here, L1CAM is linked to pancreatic ductal adenocarcinoma.