Fig. 5From: Nanoconjugates to enhance PDT-mediated cancer immunotherapy by targeting the indoleamine-2,3-dioxygenase pathwayPotential side effects caused by the combination treatment. a Body weight curves. No significant body weight loss was observed throughout the study. b H&E staining of normal tissues, including the heart, kidney, liver, lung, and spleen. No signs of toxicity were detected. Scale bars, 100 μmBack to article page