RAB40C and head and neck squamous cell carcinoma: These include the protease inhibitor SERPINB7 for LUAD, angiogenesis-associated growth factor VEGFC for PDAC, key developmental transcription factor SOX4 for LSCC, homeobox protein HOXB4 for UCEC, cell-cell adhesion glycoprotein CDH4 for CCRCC and Ras oncogene family member RAB40C in HNSCC.