CDH4 and pancreatic ductal adenocarcinoma: These include the protease inhibitor SERPINB7 for lung adenocarcinoma, angiogenesis-associated growth factor vascular endothelial growth factor-C for pancreatic ductal adenocarcinoma, key developmental transcription factor SOX4 for lung squamous cell carcinoma, homeobox protein HOXB4 for uterine corpus endometrial carcinoma, cell–cell adhesion glycoprotein CDH4 for clear cell renal cell carcinoma, and Ras oncogene family member RAB40C in head and neck squamous cell carcinoma.