Case Presentation: Immune checkpoint inhibitors have evolved into the conventional therapy regimen for many cancer types. The major categories of immune checkpoint inhibitors include monoclonal antibodies against cytotoxic T lymphocyte antigen (CTLA-4), programmed cell death protein-1 (PD-1) and programmed cell death ligand molecules (PD-L1). Pembrolizumab has been implicated in causing hepatitis Discussion: An 89-year-old Caucasian [...]