CIP2A and thyroid gland papillary carcinoma: In addition, the high expression of CIP2A/p90 has diagnostic significance in some cancers, such as papillary thyroid carcinoma, breast cancer, and chronic myeloid leukemia (Liu C Y et al., 2014; Chao et al., 2016; Xing et al., 2016; Clark et al., 2021).