CLEC10A and melanoma: Interestingly, elevated expression of porcine endogenous retroviruses was detected in melanomas and pulmonary metastasis‐derived cell cultures from the MMS Troll [77], and upregulated transcription and expression of human endogenous retrovirus (HERV) group HERV‐K(HML‐2)‐encoded proteins have been reported in human melanomas [78].