It can enter tumor cells through cells via intercellular adhesion molecule 1 (CD54), decal accelerating factor (CD55), or connectors that may be overexpressed in multiple myeloma, melanoma, breast cancer, and other tumor cells (Shafren et al., 2004; Au et al., 2007; Guo et al., 2014). The gene discussed is ICAM1; the disease is breast carcinoma.