. . . "Thus, in certain embodiments the stably tethered structure contains at least one binding specificity related to the diseased cell, pathologic angiogenesis or cancer, or infectious disease, and at least one specificity to a component of the immune system, such as a receptor or antigen of B cells, T cells, neutrophils, monocytes and macrophages, and dendritic cells, or modulators of coagulation, suc" . .