Sunitinib is a type of receptor protein‐TKI (RPTKI) with multiple targets, including VEGFR, ret proto‐oncogene (RET), and KIT proto‐oncogene receptor tyrosine kinase (KIT/c‐Kit),210 that reduced the peripheral MDSC frequency8 and part of the MDSC frequency in tumor sites.9 Here, KIT is linked to neoplasm.