Fig. 4From: Pembrolizumab for metastatic melanoma in a renal allograft recipient with subsequent graft rejection and treatment response failure: a case reportTreatment guideline algorithm for metastatic melanoma. CT Computed tomography, CTLA-4 Cytotoxic T-lymphocyte-associated protein 4, MET Mesenchymal-epithelial transition factor, MRI Magnetic resonance imaging, PD-1 Programmed cell death protein 1, PET Positron emission tomographyBack to article page