In the retifanlimab monotherapy group, 4 patients reported TRAEs: infusion‐related reactions (n = 1), pruritus (n = 1), rash (n = 1), and 1 patient who reported multiple TRAEs, consisting of anemia worsening, fatigue, diarrhea, pruritus, rash, elevated lipase, increased alanine aminotransferase (ALT), and increased aspartate aminotransferase (AST). Here, GPT is linked to anemia (phenotype).