CD55 and neoplasm: The result manifested that the tumour growth was more effectively inhibited in the combination treatment of CD55‐TMn and Dox, and tumour volume was only 201 mm3 compared with the 1926 mm3 for PBS, the 1546 mm3 for Dox and the 1104 mm3 for CD55‐TMn after treatment for 30 days (Figure 5A).