Meanwhile, the expression of CCND2 has been reported to be increased in chronic B‐cell malignancies and CCND1 elevated in colon cancer, and there is a close relation of CCND1 and CCND2 with clinical results, TNM staging, and metastasis (Delmer et al., 1995; Li et al., 2014). This evidence concerns the gene CCND2 and malignant colon neoplasm.