CDKN2A and neoplasm: Their results showed that for FNA samples, the overall agreements of p16 antigen staining of tumor were 81.4% (k 0.53) for OncoE6TM, 94.9% (k 0.83) for Aptima HPV E6/E7 mRNA and 91.1% (k 0.73) for cobas HPV DNA (89).