CONFLICT OF INTEREST STATEMENT The authors declare no conflict of interest. REFERENCES 1, . Paraneoplastic neurological complications of breast cancer. Exp Hematol Oncol. 2015; 5: 29. 2, , , , , , et al. Imaging review of paraneoplastic neurologic syndromes. AJNR Am J Neuroradiol. 2020; 41(12): 2176–2187. 3, , , , , , et al. Anti-SEZ6L2 antibodies in paraneoplastic cerebellar syndrome: case report and review of the literature. Neurol Res Pract. 2022; 4(1): 54. 4, , , .