Recently, DCLK1 has been identified as a potential cancer stem cell marker, and has been implicated in playing a functional role in carcinogenesis, promoting cancer initiation, tumor invasion, and metastases in several solid malignancies, such as pancreatic adenocarcinoma, colorectal cancer, and renal clear cell carcinoma (10–13). This evidence concerns the gene DCLK1 and neoplasm.