PKHD1L1 and cutaneous melanoma: The other frequently mutated genes with mutation frequency above 10% were listed in Figure S2, and PKHD1L1, which expression was determined to be positively associated with OS and immune cell infiltration in cutaneous melanoma,28 was found to be more frequently mutated in responders than in non‐responders (33.3%, 5/15 vs. 8.3%, 1/12, p = .182).