GPT and anemia: 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).