NECTIN4 and leiomyosarcoma: We found that not only common tumors such as lung, ovarian, and gastrointestinal cancers as previously reported (12, 24, 33–35), but also glioma, leiomyosarcoma, liposarcoma, gingival carcinoma, nasopharyngeal carcinoma, and laryngocarcinoma highly expressed Nectin4 (Figure 1A and Figure S1).