CDKN2B-AS1 and colonic neoplasm: According to some studies, ANRIL, a lncRNA, is increased in various malignancies, such as lung, liver, stomach, breast, and colon cancer.[3,6,14,16,18] As a new oncogene, it regulates the proliferation, autophagy, metastasis, and other biological behaviors of tumor cells and is involved in the occurrence and development of tumors.