ULBP2 and melanoma: As depicted in Fig. 5A, the UL16 binding protein 2 and 3 (Ulbp2/3), carcinoembryonic antigen‐related cell adhesion molecule 1 (Ceacam1) and galectin 9 (LgalS9) were identified as possible regulators of melanoma cell resistance to NK‐cell cytotoxicity (Fig. S2A–D).