CIAPIN1 and metastatic malignant neoplasm in the lymph nodes: COX regression analysis indicated that low expression of CIAPIN1, cancer stage of > pT1, distant organ metastasis (pM1), regional lymph node metastasis (> pN1) and local recurrence (yes) were independent, poor prognostic factors of CRC (P = 0.012, P = 0.032, P <0.001, P <0.001, P <0.001 respectively).