RT Book, Section A1 Gill, Amitoj A1 Gosain, Rahul A2 Kloecker, Goetz A2 Arnold, Susanne M. A2 Fraig, Mostafa M. A2 Perez, Cesar A. SR Print(0) ID 1176020940 T1 Immunotoxicity T2 Lung Cancer: Standards of Care YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260136203 LK hemonc.mhmedical.com/content.aspx?aid=1176020940 RD 2024/04/25 AB This case involves a 68-year-old man diagnosed with metastatic non–small cell lung cancer (NSCLC) and adenocarcinoma histology with a programmed death ligand 1 (PDL-1) score of 35%. He completed 4 cycles of carboplatin, pemetrexed, and pembrolizumab combination treatment and is currently on pemetrexed and pembrolizumab maintenance treatment. He presented to the hospital with abdominal cramps, 6-8 episodes of bloody diarrhea in a day, and fatigue. An infectious etiology has been ruled out, and immune-related colitis is speculated. What treatment should be offered to this patient?