Based on the Oncomine database, MKI67 showed high expression in bladder cancer, CNS and brain, breast cancer (BC), colorectal cancer (CRC), cervical cancer, oesophageal cancer (EC), head and neck cancer (HNC), gastric cancer (GC), liver cancer, ovarian cancer, lung cancer (LC), lymphoma, sarcoma, and pancreatic cancer compared with noncarcinoma tissues. Here, MKI67 is linked to lung cancer.