Immune-checkpoint inhibitors in cancer treatment algorithms offers renewed desire for PNSs. supported and diplopia, with a final analysis of paraneoplastic cerebellar degeneration and seronegative rigid human being syndrome associated with infiltrating ductal carcinoma of the breast. Keywords:paraneoplastic neurological syndromes, malignancy, autoimmunity, antibodies == 1. Background == Paraneoplastic neurological syndromes are rare diseases correlated with malignancy […]