FOXP3 and cancer: CD47 is likely involved in the process of evading immunological eradication (Chattopadhyay et al., 2005; Matlung et al., 2017), and FOXP3 is mainly considered as a biomarker of Treg cells that impede the antitumor immune responses in cancer patients (Quante et al., 2013; Triulzi et al., 2013).