A disintegrin and metalloproteinase 9 is a member of the ADAM families, and the roles of ADAM9 in different types of cancers have been discussed previously.12, 13, 14 In the case of OC, ADAM9 was found to be up‐regulated in tumor tissue than the normal tissue15; however, the underlying mechanism is still unclear. The gene discussed is ADAM9; the disease is neoplasm.