L1CAM and renal cell carcinoma: We further evaluated the checkered expression pattern of L1CAM by immunohistochemistry (IHC) and LINC01187 by RNA in situ hybridization (RNA-ISH) as clinical diagnostic markers in whole tissue sections representing a cohort of 111 RCC cases, including 13 HOT tumors, 3 chRCC tumors, and 2 RCC unclassified tumors from 8 BHD patients.