RAB1A and rectum adenocarcinoma: As described above, Rab1A expression levels were aberrantly high in the cholangio carcinoma, pancreatic adenocarcinoma, stomach adenocarcinoma, colon adenocarcinoma, rectum adenocarcinoma and liver hepatocellular carcinoma tissues, with cholangio carcinoma and pancreatic adenocarcinoma showing the most significant difference between the tumor and paired normal tissues.